diff --git a/test/assets/fhir-schemas/coding.fs.json b/test/assets/fhir-schemas/coding.fs.json
index fed5190b0..f0d6b8b30 100644
--- a/test/assets/fhir-schemas/coding.fs.json
+++ b/test/assets/fhir-schemas/coding.fs.json
@@ -1,4 +1,5 @@
 {
+  "package_meta" : { "name" : "realworld.test", "version" : "1.0.0" },
   "description" : "Base StructureDefinition for Coding Type: A reference to a code defined by a terminology system.",
   "derivation" : "specialization",
   "name" : "Coding",
diff --git a/test/assets/fhir-schemas/string.fs.json b/test/assets/fhir-schemas/string.fs.json
index 18e9bbd7f..6e4ccf1f2 100644
--- a/test/assets/fhir-schemas/string.fs.json
+++ b/test/assets/fhir-schemas/string.fs.json
@@ -1,4 +1,5 @@
 {
+  "package_meta" : { "name" : "realworld.test", "version" : "1.0.0" },
   "description" : "Base StructureDefinition for string Type: A sequence of Unicode characters",
   "derivation" : "specialization",
   "name" : "string",
diff --git a/test/unit/typeschema/__snapshots__/snapshot.test.ts.snap b/test/unit/typeschema/__snapshots__/snapshot.test.ts.snap
index bf7645ce9..66fd94366 100644
--- a/test/unit/typeschema/__snapshots__/snapshot.test.ts.snap
+++ b/test/unit/typeschema/__snapshots__/snapshot.test.ts.snap
@@ -1,4 +1,4 @@
-// Bun Snapshot v1, https://bun.sh/docs/test/snapshots
+// Bun Snapshot v1, https://goo.gl/fbAQLP
 
 exports[`ValueSet to Type Schema (snapshot) administrative-gender 1`] = `
 "{
@@ -124,15 +124,15 @@ exports[`ValueSet to Type Schema (snapshot) marital-status 1`] = `
 }"
 `;
 
-exports[`FHIR Schema to Type Schema (snapshot) with cardinality 1`] = `
+exports[`FHIR Schema to Type Schema (snapshot) Real world examples coding primitive type 1`] = `
 "[
   {
     "identifier": {
       "kind": "complex-type",
-      "package": "mypackage",
-      "version": "0.0.0",
-      "name": "Cardinality",
-      "url": "http://hl7.org/fhir/StructureDefinition/Cardinality"
+      "package": "realworld.test",
+      "version": "1.0.0",
+      "name": "Coding",
+      "url": "http://hl7.org/fhir/StructureDefinition/Coding"
     },
     "base": {
       "kind": "complex-type",
@@ -142,21 +142,19 @@ exports[`FHIR Schema to Type Schema (snapshot) with cardinality 1`] = `
       "url": "http://hl7.org/fhir/StructureDefinition/Element"
     },
     "fields": {
-      "zero_or_one": {
+      "system": {
         "type": {
           "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
           "version": "4.0.1",
-          "name": "string",
-          "url": "http://hl7.org/fhir/StructureDefinition/string"
+          "name": "uri",
+          "url": "http://hl7.org/fhir/StructureDefinition/uri"
         },
         "required": false,
         "excluded": false,
-        "array": true,
-        "min": 0,
-        "max": 1
+        "array": false
       },
-      "one": {
+      "version": {
         "type": {
           "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
@@ -166,25 +164,21 @@ exports[`FHIR Schema to Type Schema (snapshot) with cardinality 1`] = `
         },
         "required": false,
         "excluded": false,
-        "array": true,
-        "min": 1,
-        "max": 1
+        "array": false
       },
-      "many": {
+      "code": {
         "type": {
           "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
           "version": "4.0.1",
-          "name": "string",
-          "url": "http://hl7.org/fhir/StructureDefinition/string"
+          "name": "code",
+          "url": "http://hl7.org/fhir/StructureDefinition/code"
         },
         "required": false,
         "excluded": false,
-        "array": true,
-        "min": 42,
-        "max": 42
+        "array": false
       },
-      "one_or_many": {
+      "display": {
         "type": {
           "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
@@ -194,24 +188,37 @@ exports[`FHIR Schema to Type Schema (snapshot) with cardinality 1`] = `
         },
         "required": false,
         "excluded": false,
-        "array": true,
-        "min": 1
+        "array": false
       },
-      "zero_or_many": {
+      "userSelected": {
         "type": {
           "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
           "version": "4.0.1",
-          "name": "string",
-          "url": "http://hl7.org/fhir/StructureDefinition/string"
+          "name": "boolean",
+          "url": "http://hl7.org/fhir/StructureDefinition/boolean"
         },
         "required": false,
         "excluded": false,
-        "array": true
+        "array": false
       }
     },
     "description": "Base StructureDefinition for Coding Type: A reference to a code defined by a terminology system.",
     "dependencies": [
+      {
+        "kind": "primitive-type",
+        "package": "hl7.fhir.r4.core",
+        "version": "4.0.1",
+        "name": "boolean",
+        "url": "http://hl7.org/fhir/StructureDefinition/boolean"
+      },
+      {
+        "kind": "primitive-type",
+        "package": "hl7.fhir.r4.core",
+        "version": "4.0.1",
+        "name": "code",
+        "url": "http://hl7.org/fhir/StructureDefinition/code"
+      },
       {
         "kind": "complex-type",
         "package": "hl7.fhir.r4.core",
@@ -225,21 +232,59 @@ exports[`FHIR Schema to Type Schema (snapshot) with cardinality 1`] = `
         "version": "4.0.1",
         "name": "string",
         "url": "http://hl7.org/fhir/StructureDefinition/string"
+      },
+      {
+        "kind": "primitive-type",
+        "package": "hl7.fhir.r4.core",
+        "version": "4.0.1",
+        "name": "uri",
+        "url": "http://hl7.org/fhir/StructureDefinition/uri"
       }
     ]
   }
 ]"
 `;
 
-exports[`FHIR Schema to Type Schema (snapshot) with resource with string 1`] = `
+exports[`FHIR Schema to Type Schema (snapshot) Real world examples string primitive type 1`] = `
+"[
+  {
+    "identifier": {
+      "kind": "primitive-type",
+      "package": "realworld.test",
+      "version": "1.0.0",
+      "name": "string",
+      "url": "http://hl7.org/fhir/StructureDefinition/string"
+    },
+    "description": "Base StructureDefinition for string Type: A sequence of Unicode characters",
+    "base": {
+      "kind": "complex-type",
+      "package": "hl7.fhir.r4.core",
+      "version": "4.0.1",
+      "name": "Element",
+      "url": "http://hl7.org/fhir/StructureDefinition/Element"
+    },
+    "dependencies": [
+      {
+        "kind": "complex-type",
+        "package": "hl7.fhir.r4.core",
+        "version": "4.0.1",
+        "name": "Element",
+        "url": "http://hl7.org/fhir/StructureDefinition/Element"
+      }
+    ]
+  }
+]"
+`;
+
+exports[`FHIR Schema to Type Schema (snapshot) Custom resource TutorNotificationTemplate 1`] = `
 "[
   {
     "identifier": {
       "kind": "resource",
       "package": "mypackage",
       "version": "0.0.0",
-      "name": "WithPrimitiveString",
-      "url": "http://example.io/fhir/WithPrimitiveString"
+      "name": "TutorNotificationTemplate",
+      "url": "http://example.com/aidbox-sms-tutor/TutorNotificationTemplate"
     },
     "base": {
       "kind": "resource",
@@ -249,7 +294,7 @@ exports[`FHIR Schema to Type Schema (snapshot) with resource with string 1`] = `
       "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
     },
     "fields": {
-      "someString": {
+      "template": {
         "type": {
           "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
@@ -262,7 +307,6 @@ exports[`FHIR Schema to Type Schema (snapshot) with resource with string 1`] = `
         "array": false
       }
     },
-    "description": "description",
     "dependencies": [
       {
         "kind": "resource",
@@ -283,15 +327,15 @@ exports[`FHIR Schema to Type Schema (snapshot) with resource with string 1`] = `
 ]"
 `;
 
-exports[`FHIR Schema to Type Schema (snapshot) with resource with code 1`] = `
+exports[`FHIR Schema to Type Schema (snapshot) Custom resource TutorNotification 1`] = `
 "[
   {
     "identifier": {
       "kind": "resource",
       "package": "mypackage",
       "version": "0.0.0",
-      "name": "WithCode",
-      "url": "http://example.io/fhir/WithCode"
+      "name": "TutorNotification",
+      "url": "http://example.com/aidbox-sms-tutor/TutorNotification"
     },
     "base": {
       "kind": "resource",
@@ -301,160 +345,161 @@ exports[`FHIR Schema to Type Schema (snapshot) with resource with code 1`] = `
       "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
     },
     "fields": {
-      "gender": {
+      "type": {
         "type": {
           "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
           "version": "4.0.1",
-          "name": "code",
-          "url": "http://hl7.org/fhir/StructureDefinition/code"
+          "name": "string",
+          "url": "http://hl7.org/fhir/StructureDefinition/string"
         },
-        "required": false,
+        "required": true,
         "excluded": false,
         "array": false,
         "binding": {
           "kind": "binding",
-          "package": "shared",
-          "version": "1.0.0",
-          "name": "AdministrativeGender",
-          "url": "urn:fhir:binding:AdministrativeGender"
+          "package": "mypackage",
+          "version": "0.0.0",
+          "name": "TutorNotification.type_binding",
+          "url": "http://example.com/aidbox-sms-tutor/TutorNotification#type_binding"
         },
         "enum": {
           "isOpen": false,
           "values": [
-            "male",
-            "female",
-            "other",
-            "unknown"
+            "phone",
+            "fax",
+            "email",
+            "pager",
+            "url",
+            "sms",
+            "other"
           ]
         }
-      }
-    },
-    "description": "description",
-    "dependencies": [
-      {
-        "kind": "primitive-type",
-        "package": "hl7.fhir.r4.core",
-        "version": "4.0.1",
-        "name": "code",
-        "url": "http://hl7.org/fhir/StructureDefinition/code"
-      },
-      {
-        "kind": "resource",
-        "package": "hl7.fhir.r4.core",
-        "version": "4.0.1",
-        "name": "DomainResource",
-        "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
       },
-      {
-        "kind": "binding",
-        "package": "shared",
-        "version": "1.0.0",
-        "name": "AdministrativeGender",
-        "url": "urn:fhir:binding:AdministrativeGender"
-      }
-    ]
-  },
-  {
-    "identifier": {
-      "kind": "binding",
-      "package": "shared",
-      "version": "1.0.0",
-      "name": "AdministrativeGender",
-      "url": "urn:fhir:binding:AdministrativeGender"
-    },
-    "valueset": {
-      "kind": "value-set",
-      "package": "hl7.fhir.r4.core",
-      "version": "4.0.1",
-      "name": "AdministrativeGender",
-      "url": "http://hl7.org/fhir/ValueSet/administrative-gender"
-    },
-    "strength": "required",
-    "enum": {
-      "isOpen": false,
-      "values": [
-        "male",
-        "female",
-        "other",
-        "unknown"
-      ]
-    },
-    "dependencies": [
-      {
-        "kind": "value-set",
-        "package": "hl7.fhir.r4.core",
-        "version": "4.0.1",
-        "name": "AdministrativeGender",
-        "url": "http://hl7.org/fhir/ValueSet/administrative-gender"
-      }
-    ]
-  }
-]"
-`;
-
-exports[`FHIR Schema to Type Schema (snapshot) with resource with codable concept 1`] = `
-"[
-  {
-    "identifier": {
-      "kind": "resource",
-      "package": "mypackage",
-      "version": "0.0.0",
-      "name": "WithCodableConcept",
-      "url": "http://example.io/fhir/WithCodableConcept"
-    },
-    "base": {
-      "kind": "resource",
-      "package": "hl7.fhir.r4.core",
-      "version": "4.0.1",
-      "name": "DomainResource",
-      "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
-    },
-    "fields": {
-      "maritalStatus": {
+      "status": {
         "type": {
-          "kind": "complex-type",
+          "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
           "version": "4.0.1",
-          "name": "CodeableConcept",
-          "url": "http://hl7.org/fhir/StructureDefinition/CodeableConcept"
+          "name": "string",
+          "url": "http://hl7.org/fhir/StructureDefinition/string"
         },
-        "required": false,
+        "required": true,
         "excluded": false,
         "array": false,
         "binding": {
           "kind": "binding",
-          "package": "shared",
-          "version": "1.0.0",
-          "name": "MaritalStatus",
-          "url": "urn:fhir:binding:MaritalStatus"
+          "package": "mypackage",
+          "version": "0.0.0",
+          "name": "TutorNotification.status_binding",
+          "url": "http://example.com/aidbox-sms-tutor/TutorNotification#status_binding"
         },
         "enum": {
-          "isOpen": true,
+          "isOpen": false,
           "values": [
-            "A",
-            "D",
-            "I",
-            "L",
-            "M",
-            "P",
-            "S",
-            "T",
-            "U",
-            "W",
-            "UNK"
-          ]
-        }
+            "draft",
+            "requested",
+            "received",
+            "accepted",
+            "rejected",
+            "ready",
+            "cancelled",
+            "in-progress",
+            "on-hold",
+            "failed",
+            "completed",
+            "entered-in-error"
+          ]
+        }
+      },
+      "template": {
+        "type": {
+          "kind": "complex-type",
+          "package": "hl7.fhir.r4.core",
+          "version": "4.0.1",
+          "name": "Reference",
+          "url": "http://hl7.org/fhir/StructureDefinition/Reference"
+        },
+        "required": true,
+        "excluded": false,
+        "reference": [
+          {
+            "kind": "resource",
+            "package": "mypackage",
+            "version": "0.0.0",
+            "name": "TutorNotificationTemplate",
+            "url": "http://example.com/aidbox-sms-tutor/TutorNotificationTemplate"
+          }
+        ],
+        "array": false
+      },
+      "message": {
+        "type": {
+          "kind": "primitive-type",
+          "package": "hl7.fhir.r4.core",
+          "version": "4.0.1",
+          "name": "string",
+          "url": "http://hl7.org/fhir/StructureDefinition/string"
+        },
+        "required": false,
+        "excluded": false,
+        "array": false
+      },
+      "sendAfter": {
+        "type": {
+          "kind": "primitive-type",
+          "package": "hl7.fhir.r4.core",
+          "version": "4.0.1",
+          "name": "dateTime",
+          "url": "http://hl7.org/fhir/StructureDefinition/dateTime"
+        },
+        "required": true,
+        "excluded": false,
+        "array": false
+      },
+      "subject": {
+        "type": {
+          "kind": "complex-type",
+          "package": "hl7.fhir.r4.core",
+          "version": "4.0.1",
+          "name": "Reference",
+          "url": "http://hl7.org/fhir/StructureDefinition/Reference"
+        },
+        "required": true,
+        "excluded": false,
+        "reference": [
+          {
+            "kind": "resource",
+            "package": "hl7.fhir.r4.core",
+            "version": "4.0.1",
+            "name": "Patient",
+            "url": "http://hl7.org/fhir/StructureDefinition/Patient"
+          }
+        ],
+        "array": false
       }
     },
-    "description": "description",
     "dependencies": [
       {
-        "kind": "complex-type",
+        "kind": "binding",
+        "package": "mypackage",
+        "version": "0.0.0",
+        "name": "TutorNotification.status_binding",
+        "url": "http://example.com/aidbox-sms-tutor/TutorNotification#status_binding"
+      },
+      {
+        "kind": "binding",
+        "package": "mypackage",
+        "version": "0.0.0",
+        "name": "TutorNotification.type_binding",
+        "url": "http://example.com/aidbox-sms-tutor/TutorNotification#type_binding"
+      },
+      {
+        "kind": "primitive-type",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "CodeableConcept",
-        "url": "http://hl7.org/fhir/StructureDefinition/CodeableConcept"
+        "name": "dateTime",
+        "url": "http://hl7.org/fhir/StructureDefinition/dateTime"
       },
       {
         "kind": "resource",
@@ -464,44 +509,52 @@ exports[`FHIR Schema to Type Schema (snapshot) with resource with codable concep
         "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
       },
       {
-        "kind": "binding",
-        "package": "shared",
-        "version": "1.0.0",
-        "name": "MaritalStatus",
-        "url": "urn:fhir:binding:MaritalStatus"
+        "kind": "complex-type",
+        "package": "hl7.fhir.r4.core",
+        "version": "4.0.1",
+        "name": "Reference",
+        "url": "http://hl7.org/fhir/StructureDefinition/Reference"
+      },
+      {
+        "kind": "primitive-type",
+        "package": "hl7.fhir.r4.core",
+        "version": "4.0.1",
+        "name": "string",
+        "url": "http://hl7.org/fhir/StructureDefinition/string"
       }
     ]
   },
   {
     "identifier": {
       "kind": "binding",
-      "package": "shared",
-      "version": "1.0.0",
-      "name": "MaritalStatus",
-      "url": "urn:fhir:binding:MaritalStatus"
+      "package": "mypackage",
+      "version": "0.0.0",
+      "name": "TutorNotification.status_binding",
+      "url": "http://example.com/aidbox-sms-tutor/TutorNotification#status_binding"
     },
     "valueset": {
       "kind": "value-set",
       "package": "hl7.fhir.r4.core",
       "version": "4.0.1",
-      "name": "MaritalStatus",
-      "url": "http://hl7.org/fhir/ValueSet/marital-status"
+      "name": "TaskStatus",
+      "url": "http://hl7.org/fhir/ValueSet/task-status"
     },
-    "strength": "extensible",
+    "strength": "required",
     "enum": {
-      "isOpen": true,
+      "isOpen": false,
       "values": [
-        "A",
-        "D",
-        "I",
-        "L",
-        "M",
-        "P",
-        "S",
-        "T",
-        "U",
-        "W",
-        "UNK"
+        "draft",
+        "requested",
+        "received",
+        "accepted",
+        "rejected",
+        "ready",
+        "cancelled",
+        "in-progress",
+        "on-hold",
+        "failed",
+        "completed",
+        "entered-in-error"
       ]
     },
     "dependencies": [
@@ -509,105 +562,168 @@ exports[`FHIR Schema to Type Schema (snapshot) with resource with codable concep
         "kind": "value-set",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "MaritalStatus",
-        "url": "http://hl7.org/fhir/ValueSet/marital-status"
+        "name": "TaskStatus",
+        "url": "http://hl7.org/fhir/ValueSet/task-status"
+      }
+    ]
+  },
+  {
+    "identifier": {
+      "kind": "binding",
+      "package": "mypackage",
+      "version": "0.0.0",
+      "name": "TutorNotification.type_binding",
+      "url": "http://example.com/aidbox-sms-tutor/TutorNotification#type_binding"
+    },
+    "valueset": {
+      "kind": "value-set",
+      "package": "hl7.fhir.r4.core",
+      "version": "4.0.1",
+      "name": "ContactPointSystem",
+      "url": "http://hl7.org/fhir/ValueSet/contact-point-system"
+    },
+    "strength": "required",
+    "enum": {
+      "isOpen": false,
+      "values": [
+        "phone",
+        "fax",
+        "email",
+        "pager",
+        "url",
+        "sms",
+        "other"
+      ]
+    },
+    "dependencies": [
+      {
+        "kind": "value-set",
+        "package": "hl7.fhir.r4.core",
+        "version": "4.0.1",
+        "name": "ContactPointSystem",
+        "url": "http://hl7.org/fhir/ValueSet/contact-point-system"
       }
     ]
   }
 ]"
 `;
 
-exports[`FHIR Schema to Type Schema (snapshot) with resource with choice 1`] = `
+exports[`FHIR Schema to Type Schema (snapshot) with cardinality 1`] = `
 "[
   {
     "identifier": {
-      "kind": "resource",
+      "kind": "complex-type",
       "package": "mypackage",
       "version": "0.0.0",
-      "name": "WithChoice",
-      "url": "http://example.io/fhir/WithChoice"
+      "name": "Cardinality",
+      "url": "http://hl7.org/fhir/StructureDefinition/Cardinality"
     },
     "base": {
-      "kind": "resource",
+      "kind": "complex-type",
       "package": "hl7.fhir.r4.core",
       "version": "4.0.1",
-      "name": "DomainResource",
-      "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
+      "name": "Element",
+      "url": "http://hl7.org/fhir/StructureDefinition/Element"
     },
     "fields": {
-      "deceasedDateTime": {
+      "zero_or_one": {
         "type": {
           "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
           "version": "4.0.1",
-          "name": "dateTime",
-          "url": "http://hl7.org/fhir/StructureDefinition/dateTime"
+          "name": "string",
+          "url": "http://hl7.org/fhir/StructureDefinition/string"
         },
         "required": false,
         "excluded": false,
-        "array": false,
-        "choiceOf": "deceased"
+        "array": true,
+        "min": 0,
+        "max": 1
       },
-      "deceasedBoolean": {
+      "one": {
         "type": {
           "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
           "version": "4.0.1",
-          "name": "boolean",
-          "url": "http://hl7.org/fhir/StructureDefinition/boolean"
+          "name": "string",
+          "url": "http://hl7.org/fhir/StructureDefinition/string"
         },
         "required": false,
         "excluded": false,
-        "array": false,
-        "choiceOf": "deceased"
+        "array": true,
+        "min": 1,
+        "max": 1
       },
-      "deceased": {
+      "many": {
+        "type": {
+          "kind": "primitive-type",
+          "package": "hl7.fhir.r4.core",
+          "version": "4.0.1",
+          "name": "string",
+          "url": "http://hl7.org/fhir/StructureDefinition/string"
+        },
         "required": false,
         "excluded": false,
-        "array": false,
-        "choices": [
-          "deceasedBoolean",
-          "deceasedDateTime"
-        ]
-      }
-    },
-    "description": "description",
-    "dependencies": [
-      {
-        "kind": "primitive-type",
-        "package": "hl7.fhir.r4.core",
-        "version": "4.0.1",
-        "name": "boolean",
-        "url": "http://hl7.org/fhir/StructureDefinition/boolean"
+        "array": true,
+        "min": 42,
+        "max": 42
+      },
+      "one_or_many": {
+        "type": {
+          "kind": "primitive-type",
+          "package": "hl7.fhir.r4.core",
+          "version": "4.0.1",
+          "name": "string",
+          "url": "http://hl7.org/fhir/StructureDefinition/string"
+        },
+        "required": false,
+        "excluded": false,
+        "array": true,
+        "min": 1
       },
+      "zero_or_many": {
+        "type": {
+          "kind": "primitive-type",
+          "package": "hl7.fhir.r4.core",
+          "version": "4.0.1",
+          "name": "string",
+          "url": "http://hl7.org/fhir/StructureDefinition/string"
+        },
+        "required": false,
+        "excluded": false,
+        "array": true
+      }
+    },
+    "description": "Base StructureDefinition for Coding Type: A reference to a code defined by a terminology system.",
+    "dependencies": [
       {
-        "kind": "primitive-type",
+        "kind": "complex-type",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "dateTime",
-        "url": "http://hl7.org/fhir/StructureDefinition/dateTime"
+        "name": "Element",
+        "url": "http://hl7.org/fhir/StructureDefinition/Element"
       },
       {
-        "kind": "resource",
+        "kind": "primitive-type",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "DomainResource",
-        "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
+        "name": "string",
+        "url": "http://hl7.org/fhir/StructureDefinition/string"
       }
     ]
   }
 ]"
 `;
 
-exports[`FHIR Schema to Type Schema (snapshot) with resource with nested type 1`] = `
+exports[`FHIR Schema to Type Schema (snapshot) with resource with string 1`] = `
 "[
   {
     "identifier": {
       "kind": "resource",
       "package": "mypackage",
       "version": "0.0.0",
-      "name": "WithNestedType",
-      "url": "http://example.io/fhir/WithNestedType"
+      "name": "WithPrimitiveString",
+      "url": "http://example.io/fhir/WithPrimitiveString"
     },
     "base": {
       "kind": "resource",
@@ -617,60 +733,21 @@ exports[`FHIR Schema to Type Schema (snapshot) with resource with nested type 1`
       "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
     },
     "fields": {
-      "link": {
+      "someString": {
         "type": {
-          "kind": "nested",
-          "package": "mypackage",
-          "version": "0.0.0",
-          "name": "link",
-          "url": "http://example.io/fhir/WithNestedType#link"
-        },
-        "array": true,
-        "required": false,
-        "excluded": false
-      }
-    },
-    "nested": [
-      {
-        "identifier": {
-          "kind": "nested",
-          "package": "mypackage",
-          "version": "0.0.0",
-          "name": "link",
-          "url": "http://example.io/fhir/WithNestedType#link"
-        },
-        "base": {
-          "kind": "complex-type",
+          "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
           "version": "4.0.1",
-          "name": "BackboneElement",
-          "url": "http://hl7.org/fhir/StructureDefinition/BackboneElement"
+          "name": "string",
+          "url": "http://hl7.org/fhir/StructureDefinition/string"
         },
-        "fields": {
-          "someString": {
-            "type": {
-              "kind": "primitive-type",
-              "package": "hl7.fhir.r4.core",
-              "version": "4.0.1",
-              "name": "string",
-              "url": "http://hl7.org/fhir/StructureDefinition/string"
-            },
-            "required": true,
-            "excluded": false,
-            "array": false
-          }
-        }
+        "required": true,
+        "excluded": false,
+        "array": false
       }
-    ],
-    "description": "some description",
+    },
+    "description": "description",
     "dependencies": [
-      {
-        "kind": "complex-type",
-        "package": "hl7.fhir.r4.core",
-        "version": "4.0.1",
-        "name": "BackboneElement",
-        "url": "http://hl7.org/fhir/StructureDefinition/BackboneElement"
-      },
       {
         "kind": "resource",
         "package": "hl7.fhir.r4.core",
@@ -690,15 +767,15 @@ exports[`FHIR Schema to Type Schema (snapshot) with resource with nested type 1`
 ]"
 `;
 
-exports[`FHIR Schema to Type Schema (snapshot) with resource with nested type 2 1`] = `
+exports[`FHIR Schema to Type Schema (snapshot) with resource with code 1`] = `
 "[
   {
     "identifier": {
       "kind": "resource",
       "package": "mypackage",
       "version": "0.0.0",
-      "name": "Root",
-      "url": "http://example.io/fhir/Root"
+      "name": "WithCode",
+      "url": "http://example.io/fhir/WithCode"
     },
     "base": {
       "kind": "resource",
@@ -708,89 +785,43 @@ exports[`FHIR Schema to Type Schema (snapshot) with resource with nested type 2
       "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
     },
     "fields": {
-      "field": {
+      "gender": {
         "type": {
-          "kind": "nested",
-          "package": "mypackage",
-          "version": "0.0.0",
-          "name": "field",
-          "url": "http://example.io/fhir/Root#field"
-        },
-        "array": true,
-        "required": false,
-        "excluded": false
-      }
-    },
-    "nested": [
-      {
-        "identifier": {
-          "kind": "nested",
-          "package": "mypackage",
-          "version": "0.0.0",
-          "name": "field",
-          "url": "http://example.io/fhir/Root#field"
-        },
-        "base": {
-          "kind": "complex-type",
+          "kind": "primitive-type",
           "package": "hl7.fhir.r4.core",
           "version": "4.0.1",
-          "name": "BackboneElement",
-          "url": "http://hl7.org/fhir/StructureDefinition/BackboneElement"
-        },
-        "fields": {
-          "subfield": {
-            "type": {
-              "kind": "nested",
-              "package": "mypackage",
-              "version": "0.0.0",
-              "name": "field.subfield",
-              "url": "http://example.io/fhir/Root#field.subfield"
-            },
-            "array": true,
-            "required": false,
-            "excluded": false
-          }
-        }
-      },
-      {
-        "identifier": {
-          "kind": "nested",
-          "package": "mypackage",
-          "version": "0.0.0",
-          "name": "field.subfield",
-          "url": "http://example.io/fhir/Root#field.subfield"
+          "name": "code",
+          "url": "http://hl7.org/fhir/StructureDefinition/code"
         },
-        "base": {
-          "kind": "complex-type",
-          "package": "hl7.fhir.r4.core",
-          "version": "4.0.1",
-          "name": "BackboneElement",
-          "url": "http://hl7.org/fhir/StructureDefinition/BackboneElement"
+        "required": false,
+        "excluded": false,
+        "array": false,
+        "binding": {
+          "kind": "binding",
+          "package": "shared",
+          "version": "1.0.0",
+          "name": "AdministrativeGender",
+          "url": "urn:fhir:binding:AdministrativeGender"
         },
-        "fields": {
-          "subsubfield": {
-            "type": {
-              "kind": "primitive-type",
-              "package": "hl7.fhir.r4.core",
-              "version": "4.0.1",
-              "name": "string",
-              "url": "http://hl7.org/fhir/StructureDefinition/string"
-            },
-            "required": false,
-            "excluded": false,
-            "array": false
-          }
+        "enum": {
+          "isOpen": false,
+          "values": [
+            "male",
+            "female",
+            "other",
+            "unknown"
+          ]
         }
       }
-    ],
-    "description": "some description",
+    },
+    "description": "description",
     "dependencies": [
       {
-        "kind": "complex-type",
+        "kind": "primitive-type",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "BackboneElement",
-        "url": "http://hl7.org/fhir/StructureDefinition/BackboneElement"
+        "name": "code",
+        "url": "http://hl7.org/fhir/StructureDefinition/code"
       },
       {
         "kind": "resource",
@@ -800,178 +831,185 @@ exports[`FHIR Schema to Type Schema (snapshot) with resource with nested type 2
         "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
       },
       {
-        "kind": "primitive-type",
+        "kind": "binding",
+        "package": "shared",
+        "version": "1.0.0",
+        "name": "AdministrativeGender",
+        "url": "urn:fhir:binding:AdministrativeGender"
+      }
+    ]
+  },
+  {
+    "identifier": {
+      "kind": "binding",
+      "package": "shared",
+      "version": "1.0.0",
+      "name": "AdministrativeGender",
+      "url": "urn:fhir:binding:AdministrativeGender"
+    },
+    "valueset": {
+      "kind": "value-set",
+      "package": "hl7.fhir.r4.core",
+      "version": "4.0.1",
+      "name": "AdministrativeGender",
+      "url": "http://hl7.org/fhir/ValueSet/administrative-gender"
+    },
+    "strength": "required",
+    "enum": {
+      "isOpen": false,
+      "values": [
+        "male",
+        "female",
+        "other",
+        "unknown"
+      ]
+    },
+    "dependencies": [
+      {
+        "kind": "value-set",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "string",
-        "url": "http://hl7.org/fhir/StructureDefinition/string"
+        "name": "AdministrativeGender",
+        "url": "http://hl7.org/fhir/ValueSet/administrative-gender"
       }
     ]
   }
 ]"
 `;
 
-exports[`FHIR Schema to Type Schema (snapshot) Real world examples coding primitive type 1`] = `
+exports[`FHIR Schema to Type Schema (snapshot) with resource with codable concept 1`] = `
 "[
   {
     "identifier": {
-      "kind": "complex-type",
+      "kind": "resource",
       "package": "mypackage",
       "version": "0.0.0",
-      "name": "Coding",
-      "url": "http://hl7.org/fhir/StructureDefinition/Coding"
+      "name": "WithCodableConcept",
+      "url": "http://example.io/fhir/WithCodableConcept"
     },
     "base": {
-      "kind": "complex-type",
+      "kind": "resource",
       "package": "hl7.fhir.r4.core",
       "version": "4.0.1",
-      "name": "Element",
-      "url": "http://hl7.org/fhir/StructureDefinition/Element"
+      "name": "DomainResource",
+      "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
     },
     "fields": {
-      "system": {
-        "type": {
-          "kind": "primitive-type",
-          "package": "hl7.fhir.r4.core",
-          "version": "4.0.1",
-          "name": "uri",
-          "url": "http://hl7.org/fhir/StructureDefinition/uri"
-        },
-        "required": false,
-        "excluded": false,
-        "array": false
-      },
-      "version": {
-        "type": {
-          "kind": "primitive-type",
-          "package": "hl7.fhir.r4.core",
-          "version": "4.0.1",
-          "name": "string",
-          "url": "http://hl7.org/fhir/StructureDefinition/string"
-        },
-        "required": false,
-        "excluded": false,
-        "array": false
-      },
-      "code": {
-        "type": {
-          "kind": "primitive-type",
-          "package": "hl7.fhir.r4.core",
-          "version": "4.0.1",
-          "name": "code",
-          "url": "http://hl7.org/fhir/StructureDefinition/code"
-        },
-        "required": false,
-        "excluded": false,
-        "array": false
-      },
-      "display": {
+      "maritalStatus": {
         "type": {
-          "kind": "primitive-type",
+          "kind": "complex-type",
           "package": "hl7.fhir.r4.core",
           "version": "4.0.1",
-          "name": "string",
-          "url": "http://hl7.org/fhir/StructureDefinition/string"
+          "name": "CodeableConcept",
+          "url": "http://hl7.org/fhir/StructureDefinition/CodeableConcept"
         },
         "required": false,
         "excluded": false,
-        "array": false
-      },
-      "userSelected": {
-        "type": {
-          "kind": "primitive-type",
-          "package": "hl7.fhir.r4.core",
-          "version": "4.0.1",
-          "name": "boolean",
-          "url": "http://hl7.org/fhir/StructureDefinition/boolean"
+        "array": false,
+        "binding": {
+          "kind": "binding",
+          "package": "shared",
+          "version": "1.0.0",
+          "name": "MaritalStatus",
+          "url": "urn:fhir:binding:MaritalStatus"
         },
-        "required": false,
-        "excluded": false,
-        "array": false
+        "enum": {
+          "isOpen": true,
+          "values": [
+            "A",
+            "D",
+            "I",
+            "L",
+            "M",
+            "P",
+            "S",
+            "T",
+            "U",
+            "W",
+            "UNK"
+          ]
+        }
       }
     },
-    "description": "Base StructureDefinition for Coding Type: A reference to a code defined by a terminology system.",
+    "description": "description",
     "dependencies": [
-      {
-        "kind": "primitive-type",
-        "package": "hl7.fhir.r4.core",
-        "version": "4.0.1",
-        "name": "boolean",
-        "url": "http://hl7.org/fhir/StructureDefinition/boolean"
-      },
-      {
-        "kind": "primitive-type",
-        "package": "hl7.fhir.r4.core",
-        "version": "4.0.1",
-        "name": "code",
-        "url": "http://hl7.org/fhir/StructureDefinition/code"
-      },
       {
         "kind": "complex-type",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "Element",
-        "url": "http://hl7.org/fhir/StructureDefinition/Element"
+        "name": "CodeableConcept",
+        "url": "http://hl7.org/fhir/StructureDefinition/CodeableConcept"
       },
       {
-        "kind": "primitive-type",
+        "kind": "resource",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "string",
-        "url": "http://hl7.org/fhir/StructureDefinition/string"
+        "name": "DomainResource",
+        "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
       },
       {
-        "kind": "primitive-type",
-        "package": "hl7.fhir.r4.core",
-        "version": "4.0.1",
-        "name": "uri",
-        "url": "http://hl7.org/fhir/StructureDefinition/uri"
+        "kind": "binding",
+        "package": "shared",
+        "version": "1.0.0",
+        "name": "MaritalStatus",
+        "url": "urn:fhir:binding:MaritalStatus"
       }
     ]
-  }
-]"
-`;
-
-exports[`FHIR Schema to Type Schema (snapshot) Real world examples string primitive type 1`] = `
-"[
+  },
   {
     "identifier": {
-      "kind": "primitive-type",
-      "package": "mypackage",
-      "version": "0.0.0",
-      "name": "string",
-      "url": "http://hl7.org/fhir/StructureDefinition/string"
+      "kind": "binding",
+      "package": "shared",
+      "version": "1.0.0",
+      "name": "MaritalStatus",
+      "url": "urn:fhir:binding:MaritalStatus"
     },
-    "description": "Base StructureDefinition for string Type: A sequence of Unicode characters",
-    "base": {
-      "kind": "complex-type",
+    "valueset": {
+      "kind": "value-set",
       "package": "hl7.fhir.r4.core",
       "version": "4.0.1",
-      "name": "Element",
-      "url": "http://hl7.org/fhir/StructureDefinition/Element"
+      "name": "MaritalStatus",
+      "url": "http://hl7.org/fhir/ValueSet/marital-status"
+    },
+    "strength": "extensible",
+    "enum": {
+      "isOpen": true,
+      "values": [
+        "A",
+        "D",
+        "I",
+        "L",
+        "M",
+        "P",
+        "S",
+        "T",
+        "U",
+        "W",
+        "UNK"
+      ]
     },
     "dependencies": [
       {
-        "kind": "complex-type",
+        "kind": "value-set",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "Element",
-        "url": "http://hl7.org/fhir/StructureDefinition/Element"
+        "name": "MaritalStatus",
+        "url": "http://hl7.org/fhir/ValueSet/marital-status"
       }
     ]
   }
 ]"
 `;
 
-exports[`FHIR Schema to Type Schema (snapshot) Custom resource TutorNotificationTemplate 1`] = `
+exports[`FHIR Schema to Type Schema (snapshot) with resource with choice 1`] = `
 "[
   {
     "identifier": {
       "kind": "resource",
       "package": "mypackage",
       "version": "0.0.0",
-      "name": "TutorNotificationTemplate",
-      "url": "http://example.com/aidbox-sms-tutor/TutorNotificationTemplate"
+      "name": "WithChoice",
+      "url": "http://example.io/fhir/WithChoice"
     },
     "base": {
       "kind": "resource",
@@ -981,48 +1019,79 @@ exports[`FHIR Schema to Type Schema (snapshot) Custom resource TutorNotification
       "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
     },
     "fields": {
-      "template": {
+      "deceasedDateTime": {
         "type": {
           "kind": "primitive-type",
-          "package": "mypackage",
-          "version": "0.0.0",
-          "name": "string",
-          "url": "http://hl7.org/fhir/StructureDefinition/string"
+          "package": "hl7.fhir.r4.core",
+          "version": "4.0.1",
+          "name": "dateTime",
+          "url": "http://hl7.org/fhir/StructureDefinition/dateTime"
         },
-        "required": true,
+        "required": false,
         "excluded": false,
-        "array": false
+        "array": false,
+        "choiceOf": "deceased"
+      },
+      "deceasedBoolean": {
+        "type": {
+          "kind": "primitive-type",
+          "package": "hl7.fhir.r4.core",
+          "version": "4.0.1",
+          "name": "boolean",
+          "url": "http://hl7.org/fhir/StructureDefinition/boolean"
+        },
+        "required": false,
+        "excluded": false,
+        "array": false,
+        "choiceOf": "deceased"
+      },
+      "deceased": {
+        "required": false,
+        "excluded": false,
+        "array": false,
+        "choices": [
+          "deceasedBoolean",
+          "deceasedDateTime"
+        ]
       }
     },
+    "description": "description",
     "dependencies": [
       {
-        "kind": "resource",
+        "kind": "primitive-type",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "DomainResource",
-        "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
+        "name": "boolean",
+        "url": "http://hl7.org/fhir/StructureDefinition/boolean"
       },
       {
         "kind": "primitive-type",
-        "package": "mypackage",
-        "version": "0.0.0",
-        "name": "string",
-        "url": "http://hl7.org/fhir/StructureDefinition/string"
+        "package": "hl7.fhir.r4.core",
+        "version": "4.0.1",
+        "name": "dateTime",
+        "url": "http://hl7.org/fhir/StructureDefinition/dateTime"
+      },
+      {
+        "kind": "resource",
+        "package": "hl7.fhir.r4.core",
+        "version": "4.0.1",
+        "name": "DomainResource",
+        "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
       }
     ]
   }
 ]"
 `;
 
-exports[`FHIR Schema to Type Schema (snapshot) Custom resource TutorNotification 1`] = `
+exports[`FHIR Schema to Type Schema (snapshot) with resource with nested type 1`] = `
 "[
   {
     "identifier": {
       "kind": "resource",
       "package": "mypackage",
       "version": "0.0.0",
-      "name": "TutorNotification",
-      "url": "http://example.com/aidbox-sms-tutor/TutorNotification"
+      "name": "WithNestedType",
+      "url": "http://example.io/fhir/WithNestedType"
     },
     "base": {
       "kind": "resource",
@@ -1032,161 +1101,59 @@ exports[`FHIR Schema to Type Schema (snapshot) Custom resource TutorNotification
       "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
     },
     "fields": {
-      "type": {
+      "link": {
         "type": {
-          "kind": "primitive-type",
+          "kind": "nested",
           "package": "mypackage",
           "version": "0.0.0",
-          "name": "string",
-          "url": "http://hl7.org/fhir/StructureDefinition/string"
+          "name": "link",
+          "url": "http://example.io/fhir/WithNestedType#link"
         },
-        "required": true,
-        "excluded": false,
-        "array": false,
-        "binding": {
-          "kind": "binding",
-          "package": "mypackage",
-          "version": "0.0.0",
-          "name": "TutorNotification.type_binding",
-          "url": "http://example.com/aidbox-sms-tutor/TutorNotification#type_binding"
-        },
-        "enum": {
-          "isOpen": false,
-          "values": [
-            "phone",
-            "fax",
-            "email",
-            "pager",
-            "url",
-            "sms",
-            "other"
-          ]
-        }
-      },
-      "status": {
-        "type": {
-          "kind": "primitive-type",
-          "package": "mypackage",
-          "version": "0.0.0",
-          "name": "string",
-          "url": "http://hl7.org/fhir/StructureDefinition/string"
-        },
-        "required": true,
-        "excluded": false,
-        "array": false,
-        "binding": {
-          "kind": "binding",
-          "package": "mypackage",
-          "version": "0.0.0",
-          "name": "TutorNotification.status_binding",
-          "url": "http://example.com/aidbox-sms-tutor/TutorNotification#status_binding"
-        },
-        "enum": {
-          "isOpen": false,
-          "values": [
-            "draft",
-            "requested",
-            "received",
-            "accepted",
-            "rejected",
-            "ready",
-            "cancelled",
-            "in-progress",
-            "on-hold",
-            "failed",
-            "completed",
-            "entered-in-error"
-          ]
-        }
-      },
-      "template": {
-        "type": {
-          "kind": "complex-type",
-          "package": "hl7.fhir.r4.core",
-          "version": "4.0.1",
-          "name": "Reference",
-          "url": "http://hl7.org/fhir/StructureDefinition/Reference"
-        },
-        "required": true,
-        "excluded": false,
-        "reference": [
-          {
-            "kind": "resource",
-            "package": "mypackage",
-            "version": "0.0.0",
-            "name": "TutorNotificationTemplate",
-            "url": "http://example.com/aidbox-sms-tutor/TutorNotificationTemplate"
-          }
-        ],
-        "array": false
-      },
-      "message": {
-        "type": {
-          "kind": "primitive-type",
+        "array": true,
+        "required": false,
+        "excluded": false
+      }
+    },
+    "nested": [
+      {
+        "identifier": {
+          "kind": "nested",
           "package": "mypackage",
           "version": "0.0.0",
-          "name": "string",
-          "url": "http://hl7.org/fhir/StructureDefinition/string"
-        },
-        "required": false,
-        "excluded": false,
-        "array": false
-      },
-      "sendAfter": {
-        "type": {
-          "kind": "primitive-type",
-          "package": "hl7.fhir.r4.core",
-          "version": "4.0.1",
-          "name": "dateTime",
-          "url": "http://hl7.org/fhir/StructureDefinition/dateTime"
+          "name": "link",
+          "url": "http://example.io/fhir/WithNestedType#link"
         },
-        "required": true,
-        "excluded": false,
-        "array": false
-      },
-      "subject": {
-        "type": {
+        "base": {
           "kind": "complex-type",
           "package": "hl7.fhir.r4.core",
           "version": "4.0.1",
-          "name": "Reference",
-          "url": "http://hl7.org/fhir/StructureDefinition/Reference"
+          "name": "BackboneElement",
+          "url": "http://hl7.org/fhir/StructureDefinition/BackboneElement"
         },
-        "required": true,
-        "excluded": false,
-        "reference": [
-          {
-            "kind": "resource",
-            "package": "hl7.fhir.r4.core",
-            "version": "4.0.1",
-            "name": "Patient",
-            "url": "http://hl7.org/fhir/StructureDefinition/Patient"
+        "fields": {
+          "someString": {
+            "type": {
+              "kind": "primitive-type",
+              "package": "hl7.fhir.r4.core",
+              "version": "4.0.1",
+              "name": "string",
+              "url": "http://hl7.org/fhir/StructureDefinition/string"
+            },
+            "required": true,
+            "excluded": false,
+            "array": false
           }
-        ],
-        "array": false
+        }
       }
-    },
+    ],
+    "description": "some description",
     "dependencies": [
       {
-        "kind": "binding",
-        "package": "mypackage",
-        "version": "0.0.0",
-        "name": "TutorNotification.status_binding",
-        "url": "http://example.com/aidbox-sms-tutor/TutorNotification#status_binding"
-      },
-      {
-        "kind": "binding",
-        "package": "mypackage",
-        "version": "0.0.0",
-        "name": "TutorNotification.type_binding",
-        "url": "http://example.com/aidbox-sms-tutor/TutorNotification#type_binding"
-      },
-      {
-        "kind": "primitive-type",
+        "kind": "complex-type",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "dateTime",
-        "url": "http://hl7.org/fhir/StructureDefinition/dateTime"
+        "name": "BackboneElement",
+        "url": "http://hl7.org/fhir/StructureDefinition/BackboneElement"
       },
       {
         "kind": "resource",
@@ -1196,99 +1163,132 @@ exports[`FHIR Schema to Type Schema (snapshot) Custom resource TutorNotification
         "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
       },
       {
-        "kind": "complex-type",
+        "kind": "primitive-type",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "Reference",
-        "url": "http://hl7.org/fhir/StructureDefinition/Reference"
-      },
-      {
-        "kind": "primitive-type",
-        "package": "mypackage",
-        "version": "0.0.0",
         "name": "string",
         "url": "http://hl7.org/fhir/StructureDefinition/string"
       }
     ]
-  },
+  }
+]"
+`;
+
+exports[`FHIR Schema to Type Schema (snapshot) with resource with nested type 2 1`] = `
+"[
   {
     "identifier": {
-      "kind": "binding",
+      "kind": "resource",
       "package": "mypackage",
       "version": "0.0.0",
-      "name": "TutorNotification.status_binding",
-      "url": "http://example.com/aidbox-sms-tutor/TutorNotification#status_binding"
+      "name": "Root",
+      "url": "http://example.io/fhir/Root"
     },
-    "valueset": {
-      "kind": "value-set",
+    "base": {
+      "kind": "resource",
       "package": "hl7.fhir.r4.core",
       "version": "4.0.1",
-      "name": "TaskStatus",
-      "url": "http://hl7.org/fhir/ValueSet/task-status"
+      "name": "DomainResource",
+      "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
     },
-    "strength": "required",
-    "enum": {
-      "isOpen": false,
-      "values": [
-        "draft",
-        "requested",
-        "received",
-        "accepted",
-        "rejected",
-        "ready",
-        "cancelled",
-        "in-progress",
-        "on-hold",
-        "failed",
-        "completed",
-        "entered-in-error"
-      ]
+    "fields": {
+      "field": {
+        "type": {
+          "kind": "nested",
+          "package": "mypackage",
+          "version": "0.0.0",
+          "name": "field",
+          "url": "http://example.io/fhir/Root#field"
+        },
+        "array": true,
+        "required": false,
+        "excluded": false
+      }
     },
+    "nested": [
+      {
+        "identifier": {
+          "kind": "nested",
+          "package": "mypackage",
+          "version": "0.0.0",
+          "name": "field",
+          "url": "http://example.io/fhir/Root#field"
+        },
+        "base": {
+          "kind": "complex-type",
+          "package": "hl7.fhir.r4.core",
+          "version": "4.0.1",
+          "name": "BackboneElement",
+          "url": "http://hl7.org/fhir/StructureDefinition/BackboneElement"
+        },
+        "fields": {
+          "subfield": {
+            "type": {
+              "kind": "nested",
+              "package": "mypackage",
+              "version": "0.0.0",
+              "name": "field.subfield",
+              "url": "http://example.io/fhir/Root#field.subfield"
+            },
+            "array": true,
+            "required": false,
+            "excluded": false
+          }
+        }
+      },
+      {
+        "identifier": {
+          "kind": "nested",
+          "package": "mypackage",
+          "version": "0.0.0",
+          "name": "field.subfield",
+          "url": "http://example.io/fhir/Root#field.subfield"
+        },
+        "base": {
+          "kind": "complex-type",
+          "package": "hl7.fhir.r4.core",
+          "version": "4.0.1",
+          "name": "BackboneElement",
+          "url": "http://hl7.org/fhir/StructureDefinition/BackboneElement"
+        },
+        "fields": {
+          "subsubfield": {
+            "type": {
+              "kind": "primitive-type",
+              "package": "hl7.fhir.r4.core",
+              "version": "4.0.1",
+              "name": "string",
+              "url": "http://hl7.org/fhir/StructureDefinition/string"
+            },
+            "required": false,
+            "excluded": false,
+            "array": false
+          }
+        }
+      }
+    ],
+    "description": "some description",
     "dependencies": [
       {
-        "kind": "value-set",
+        "kind": "complex-type",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "TaskStatus",
-        "url": "http://hl7.org/fhir/ValueSet/task-status"
-      }
-    ]
-  },
-  {
-    "identifier": {
-      "kind": "binding",
-      "package": "mypackage",
-      "version": "0.0.0",
-      "name": "TutorNotification.type_binding",
-      "url": "http://example.com/aidbox-sms-tutor/TutorNotification#type_binding"
-    },
-    "valueset": {
-      "kind": "value-set",
-      "package": "hl7.fhir.r4.core",
-      "version": "4.0.1",
-      "name": "ContactPointSystem",
-      "url": "http://hl7.org/fhir/ValueSet/contact-point-system"
-    },
-    "strength": "required",
-    "enum": {
-      "isOpen": false,
-      "values": [
-        "phone",
-        "fax",
-        "email",
-        "pager",
-        "url",
-        "sms",
-        "other"
-      ]
-    },
-    "dependencies": [
+        "name": "BackboneElement",
+        "url": "http://hl7.org/fhir/StructureDefinition/BackboneElement"
+      },
       {
-        "kind": "value-set",
+        "kind": "resource",
         "package": "hl7.fhir.r4.core",
         "version": "4.0.1",
-        "name": "ContactPointSystem",
-        "url": "http://hl7.org/fhir/ValueSet/contact-point-system"
+        "name": "DomainResource",
+        "url": "http://hl7.org/fhir/StructureDefinition/DomainResource"
+      },
+      {
+        "kind": "primitive-type",
+        "package": "hl7.fhir.r4.core",
+        "version": "4.0.1",
+        "name": "string",
+        "url": "http://hl7.org/fhir/StructureDefinition/string"
       }
     ]
   }