export interface Disposable {
    dispose(): void | Promise<void>;
}
export type DisposeFn = () => void | Promise<void>;
export declare function toDisposable(fn: DisposeFn): Disposable;
export declare class DisposableRegistry implements Disposable {
    private entries;
    private _disposed;
    /**
     * Number of live entries. A wrapper's `dispose` splices its entry out and
     * `disposeAll` clears the array, so `entries.length` is the live count.
     */
    get size(): number;
    add(d: Disposable | DisposeFn): Disposable;
    disposeAll(): Promise<void>;
    dispose(): Promise<void>;
}
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