Optional parameters that may be given to a form data function. The
AbortSignal instance will emit if a new function is provided
before the current function completes. This signal should be used to cancel in-flight
requests if the external API supports it.
Optional parameters that may be given to a form data function. The
AbortSignalinstance will emit if a new function is provided before the current function completes. This signal should be used to cancel in-flight requests if the external API supports it.