import { Layer } from 'effect';
import { LeadershipService } from '../../leadership/index.js';
export type BrowserLockManager = {
    request: (name: string, options: {
        readonly mode: 'exclusive';
        readonly signal: AbortSignal;
    }, callback: (lock: unknown) => Promise<void>) => Promise<unknown>;
};
export type BrowserDocument = {
    readonly visibilityState: string;
    addEventListener: (type: string, listener: () => void) => void;
    removeEventListener: (type: string, listener: () => void) => void;
};
export type WebLockLeadershipEnvironment = {
    readonly locks: BrowserLockManager;
    readonly document: BrowserDocument;
};
export type WebLockLeadershipOptions = {
    readonly releaseWhen?: 'hidden' | 'frozen';
};
/** @internal Story and test seam; deliberately omitted from the public barrel. */
export declare const webLockLeadershipWithEnvironment: (environment: WebLockLeadershipEnvironment, options?: WebLockLeadershipOptions) => Layer.Layer<LeadershipService, never, never>;
export declare const webLockLeadership: (options?: WebLockLeadershipOptions) => Layer.Layer<LeadershipService, never, never>;
//# sourceMappingURL=web-locks.d.ts.map