NewPayloadTransformer returns a new instance of the PayloadTransformer.

ErrDuplicatePayloadType occurs when a payload type is already registered.

ErrInitiatorInvalidResult occurs when a PayloadInitiator returns a reference to nil.

ErrPayloadCannotBeSerialized occurs when the payload cannot be serialized.

ErrPayloadNotRegistered occurs when the payload is not registered.

ErrUnknownPayloadType occurs when a payload type is unknown.

ErrUnsupportedJSONPayloadData occurs when the data type is not supported by the PayloadTransformer.