import type { IncomingMessage, ServerResponse } from 'node:http';
import { type AllowedHttpAuthentication } from '../auth.js';
import { type DkgConfig } from '../config.js';
/**
 * Shared memory (workspace) TTL setting. Any authenticated caller may read it;
 * changing it rewrites the node's config, so a PUT requires a node-level admin
 * token. Returns false for requests this route does not own.
 */
export declare function handleSharedMemoryTtlSettingsRequest(input: {
    readonly req: IncomingMessage;
    readonly res: ServerResponse;
    readonly pathname: string;
    readonly authentication: AllowedHttpAuthentication;
    readonly config: DkgConfig;
    readonly setSharedMemoryTtlMs: (ttlMs: number) => void;
    readonly saveConfig: (config: DkgConfig) => Promise<void>;
}): Promise<boolean>;
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