import type { OperationStatus } from '../types/operations.js';
import { isTerminalOperationStatus } from '../types/operations.js';
/** Whether an operation may move from one status to another. */
export declare function canTransition(from: OperationStatus, to: OperationStatus): boolean;
/** Throws `OperationTransitionError` when an operation may not move from one status to another. */
export declare function assertTransition(from: OperationStatus, to: OperationStatus, operationId?: string): void;
/** Statuses reachable from `from`, for building a UI or validating a custom runner. */
export declare function allowedTransitions(from: OperationStatus): readonly OperationStatus[];
export { isTerminalOperationStatus };
/** True when the operation is finished and a worker should stop touching it. */
export declare function isSettled(status: OperationStatus): boolean;
/** True when a worker may claim the operation and start executing. */
export declare function isClaimable(status: OperationStatus): boolean;