type GoRoutineMap interface {
	// Run adds operation name to the list of running operations and spawns a
	// new go routine to execute the operation.
	// If an operation with the same operation name already exists, an
	// AlreadyExists or ExponentialBackoff error is returned.
	// Once the operation is complete, the go routine is terminated and the
	// operation name is removed from the list of executing operations allowing
	// a new operation to be started with the same operation name without error.
	Run(operationName string, operationFunc func() error) error

	// Wait blocks until operations map is empty. This is typically
	// necessary during tests - the test should wait until all operations finish
	// and evaluate results after that.
	Wait()

	// WaitForCompletion blocks until either all operations have successfully completed
	// or have failed but are not pending. The test should wait until operations are either
	// complete or have failed.
	WaitForCompletion()

	// IsOperationPending returns true if the operation is pending (currently
	// running), otherwise returns false.
	IsOperationPending(operationName string) bool
}