export declare const PLATFORM_FILE_CACHE_MAX_BYTES: number;
export declare const PLATFORM_FILE_CACHE_PIN_MS: number;
export declare const PLATFORM_FILE_CACHE_SWEEP_THROTTLE_MS: number;
export interface SweepPlatformFileCacheInput {
    entryDepth: number;
    maxBytes?: number;
    nowMs?: number;
    rootDir: string;
}
export declare function triggerSlackFileCacheEviction(): void;
export declare function triggerFeishuFileCacheEviction(): void;
export declare function triggerPlatformFileCacheEviction(input: SweepPlatformFileCacheInput & {
    runSweep?: () => Promise<void>;
}): void;
export declare function sweepPlatformFileCacheRoot(input: SweepPlatformFileCacheInput): Promise<void>;
export declare function slackFileCacheRoot(): string;
export declare function feishuFileCacheRoot(): string;
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