"hide" no endpoint parameters (#302)

Author: hauner

openapi-processor-core/src/main/kotlin/io/openapiprocessor/core/converter/ApiConverter.kt

@@ -103,14 +103,13 @@ class  ApiConverter(
     private fun createUnreferencedSchemas(api: OpenApi, target: Api) {
         api.getSchemas().forEach { (name: String, schema: Schema) ->
             val info = SchemaInfo(
-                // todo required but unavailable for unreferenced schemas, create NullEndpoint?
-                SchemaInfo.Endpoint("none", HttpMethod.HEAD),
+                SchemaInfo.NoEndpoint(),
                 name,
                 "",
                 schema,
                 api.getRefResolver(),
                 "components/schemas",
-                // no marker interfaces,
+                // no marker interfaces
             )
 
             convertDataType(info, target.getDataTypes())

openapi-processor-core/src/main/kotlin/io/openapiprocessor/core/converter/SchemaInfo.kt

@@ -60,7 +60,8 @@ open class SchemaInfo(
 
 ): MappingSchema {
 
-    class Endpoint(val path: String, val method: HttpMethod)
+    open class Endpoint(val path: String, val method: HttpMethod)
+    class NoEndpoint(): Endpoint("", HttpMethod.GET)
 
     /**
      * if this is a $ref it indicates that the name of this SchemaInfo should be propagated to its