import type { TaskControllerConstructor, TaskController as TaskControllerType, TaskPriority, TaskPriorityChangeEventConstructor, TaskPriorityChangeEvent as TaskPriorityChangeEventType, TaskSignalConstructor, TaskSignal as TaskSignalType } from "./types.js";
export declare function toTaskPriority(value: unknown): TaskPriority;
export declare function isTaskSignal(signal: AbortSignal): signal is TaskSignalType;
export declare const ownsTaskSignal: (signal: TaskSignalType) => boolean;
export declare const hasFixedTaskPriority: (signal: TaskSignalType) => boolean;
export declare function addTaskPriorityChangeAlgorithm(signal: TaskSignalType, algorithm: () => void): () => void;
export declare const TaskController: TaskControllerConstructor;
export type TaskController = TaskControllerType;
export declare const TaskSignal: TaskSignalConstructor;
export type TaskSignal = TaskSignalType;
export declare const TaskPriorityChangeEvent: TaskPriorityChangeEventConstructor;
export type TaskPriorityChangeEvent = TaskPriorityChangeEventType;