public String resolveId(TypeScope scope) {
        return SchemaGeneratorGeneralConfigPart.getFirstDefinedValue(this.idResolvers, scope);
    }
Determine the "$id" of a context-independent type representation.

@param scope context-independent type representation to determine "$id" value for
@return "$id" in a JSON Schema (may be null)
jsonschema-generator/src/main/java/com/github/victools/jsonschema/generator/SchemaGeneratorGeneralConfigPart.java