OptionalrawBody?: TContract["method"] extends BodyHttpMethod ? BodyInit : neverEscape hatch for non-JSON request bodies such as FormData, Blob, ArrayBuffer, ReadableStream, or pre-serialized text.
Use body for contract-validated JSON requests. rawBody is sent as-is
and is not validated or JSON-serialized.
Optionalsignal?: AbortSignalAbort signal passed to fetch.
Arguments accepted by an endpoint call for a specific contract.