FailureResponse creates a response renderer for a failed request.

Response creates a standard API response renderer.

SuccessResponse creates a response renderer for a successful request.

SuccessMessage is the default success message for successful responses.

response defines the structure for API response payloads.

Payload is an interface for incoming requests payloads Each handler should implement this interface to parse payloads.

Duration is a custom type that represents a duration of time.