workflowgraph

var (
	// ErrNoTerminalSteps is returned when terminalStepIDs is empty.
	ErrNoTerminalSteps = errors.New("terminalStepIds must be non-empty")

	// ErrEmptyTerminalStepID is returned when a terminalStepIds entry is empty.
	ErrEmptyTerminalStepID = errors.New("terminalStepIds entry is empty")

	// ErrDuplicateTerminalStepID is returned when terminalStepIds repeats an id.
	ErrDuplicateTerminalStepID = errors.New("duplicate terminalStepIds entry")

	// ErrTerminalStepUnknown is returned when a terminal id is not a step id.
	ErrTerminalStepUnknown = errors.New("terminal step id not found in steps")

	// ErrTerminalStepNotEnd is returned when a terminal id does not have kind end.
	ErrTerminalStepNotEnd = errors.New("terminalStepIds entry must have kind end")

	// ErrEndStepNotTerminal is returned when a step has kind end but is not listed in terminalStepIds.
	ErrEndStepNotTerminal = errors.New("step has kind end but is not listed in terminalStepIds")
)