exec

var (
	// ErrAbsoluteURLNotAllowed rejects a script request carrying an absolute
	// URL: adapter scripts reach only their own system's base URL.
	ErrAbsoluteURLNotAllowed = errors.New("integration: absolute URLs are not allowed; use a path relative to the system base URL")

	// ErrRedirectModeUnsupported rejects the fetch redirect modes the scoped
	// client does not implement ("error" and "manual").
	ErrRedirectModeUnsupported = errors.New("integration: only the default 'follow' redirect mode is supported")

	// ErrOutputNotSerializable rejects a script return value that cannot be
	// represented as JSON (functions, cycles).
	ErrOutputNotSerializable = errors.New("integration: script output is not JSON-serializable")

	// ErrEnvelopeRequestNotObject rejects a request envelope script that did
	// not return the request object.
	ErrEnvelopeRequestNotObject = errors.New("integration: request envelope script must return the request object")
)

var (
	// ErrBlankHandlerContract rejects an inbound handler with no contract code.
	ErrBlankHandlerContract = errors.New("integration: inbound handler declares no contract code")
	// ErrDuplicateHandlerContract rejects two inbound handlers claiming the
	// same contract.
	ErrDuplicateHandlerContract = errors.New("integration: duplicate inbound handler for contract")
)