docs: public static String getSchemaFromType(final Type type, Map<String, Schema> schemaMap, IRestDocGeneratorExtension ext) {
  		String schema = SchemaResolver.getSchemaFromTypeOrNull(type, schemaMap, ext);
  		if (schema != null) {
  			return schema;
  		}
  		final String s = String.format("SchemaType %s is not annotated with RestDocSchema.", type);
  		throw new RestDocException(s);
  	}