* class could be unloaded after the above call to `getEnumConstants` but before we call
     * `get()`, but that is vanishingly unlikely.
     */
    return ref == null ? Optional.absent() : Optional.fromNullable(enumClass.cast(ref.get()));
  }

  static String formatCompact4Digits(double value) {
    return String.format(Locale.ROOT, "%.4g", value);
  }

                    "requestBody": {
                        "content": {
                            "multipart/form-data": {
                                "schema": {
                                    "$ref": "#/components/schemas/Body_create_files_files__post"
                                }
                            }
                        },
                        "required": True,
                    },

                                    {
                                        "allOf": [
                                            {
                                                "$ref": "#/components/schemas/Body_create_file_files__post"
                                            }
                                        ],
                                        "title": "Body",

                                    "schema": {
                                        "title": "Response Items-Get Items",
                                        "type": "array",
                                        "items": {"$ref": "#/components/schemas/Item"},
                                    }
                                }
                            },
                        }
                    },
                },

            spec = "//" + spec;
            limit += 2;
        }
        super.parseURL( u, spec, start, limit );
        path = u.getPath();
        ref = u.getRef();
        if (ref != null) {
            path += '#' + ref;
        }
        port = u.getPort();
        if( port == -1 ) {
            port = getDefaultPort();
        }
        setURL( u, "smb", u.getHost(), port,

                    "properties": {"a": {"$ref": "#/components/schemas/Model"}},
                },
                "Model3": {
                    "title": "Model3",
                    "required": ["c", "d"],
                    "type": "object",
                    "properties": {
                        "c": {"$ref": "#/components/schemas/Model"},
                        "d": {"$ref": "#/components/schemas/Model2"},

                    "required": ["item", "item2"],
                    "type": "object",
                    "properties": {
                        "item": {"$ref": "#/components/schemas/Item"},
                        "item2": {"$ref": "#/components/schemas/Item"},
                    },
                },
                "HTTPValidationError": {
                    "title": "HTTPValidationError",

                            "description": "The item was not found",
                            "content": {
                                "application/json": {
                                    "schema": {"$ref": "#/components/schemas/Message"}
                                }
                            },
                        },
                        "200": {
                            "description": "Item requested by ID",

                                "schema": {
                                    "title": "Item",
                                    "anyOf": [
                                        {"$ref": "#/components/schemas/OtherItem"},
                                        {"$ref": "#/components/schemas/Item"},
                                    ],
                                }
                            }
                        },

)

func localLinks(body string) (links []string) {
	seen := map[string]bool{}
	mv := aRx.FindAllStringSubmatch(body, -1)
	for _, m := range mv {
		ref := m[1]
		if strings.HasPrefix(ref, "/src/") {
			continue
		}
		if !seen[ref] {
			seen[ref] = true
			links = append(links, m[1])
		}
	}
	return
}

var idRx = regexp.MustCompile(`\bid=['"]?([^\s'">]+)`)