import { Comparator, Handle, Storage } from "./storage";
declare type KeyType = string | number;
declare type KeyFunc<T> = (value: T) => KeyType;
export declare class PQ<T> {
    keyFunc: KeyFunc<T>;
    storage: Storage<T>;
    handlesByValue: Map<KeyType, [Handle<T>, number]>;
    constructor(comparatorOrStorage: Comparator<T> | Storage<T>, keyFunc?: KeyFunc<T>);
    get top(): Handle<T>;
    pop(): T | null;
    push(value: T): Handle<T>;
    heapify(values: IterableIterator<T>): void;
    adjustValue(value: T): void;
    adjust(handle: Handle<T>): void;
    removeValue(value: T): void;
    remove(handle: Handle<T>): void;
    findByKey(key: KeyType): Handle<T> | null;
    find(value: T): Handle<T> | null;
    get size(): number;
    get isEmpty(): boolean;
    clear(): void;
}
export {};