Errorf constructs an Error with the given reference code and format.

Forbiddenf constructs a Forbidden error with the given format.

InternalErrorf constructs an InternalError with the given format.

InvalidDataf constructs an InvalidData error with the given format.

MalformedDataf constructs a MalformedData error with the given format.

New creates a new error with a message and error code.

Forbidden indicates a forbidden operation.

InternalError indicates an unexpected error condition.

InvalidData indicates that data is well-formed, but invalid.

MalformedData indicates malformed input, such as unparsable JSON.

NotFound indicates a resource was not found.

Error indicates an error with a reference code and an HTTP status code.

List represents a list of errors.