import type { Profile } from '../interfaces/profile.interface.js';
import type { IProfilerStorageAdapter } from './storage-adapter.interface.js';
import type { IndexAttributesProvider, SummaryPrimitive } from './profile-summary.js';
import type { ProfilerPage, ProfilerQuery } from './profiler-query.js';
export interface FileStorageAdapterOptions {
    storagePath?: string;
    maxProfiles?: number;
    ttl?: number;
}
export declare class FileStorageAdapter implements IProfilerStorageAdapter {
    readonly crossProcess = true;
    private readonly dir;
    private readonly maxProfiles;
    private readonly ttlMs;
    private readonly index;
    private readonly cache;
    private getAttributes?;
    private ready;
    private chain;
    constructor(options?: FileStorageAdapterOptions);
    setIndexAttributesProvider(provider: IndexAttributesProvider): void;
    save(profile: Profile): Promise<void>;
    findAll(): Promise<Profile[]>;
    query(query: ProfilerQuery): Promise<ProfilerPage>;
    distinct(field: string, typeIn?: string[]): Promise<SummaryPrimitive[]>;
    findOne(token: string): Promise<Profile | undefined>;
    clear(): Promise<void>;
    get storageDirectory(): string;
    private withLock;
    private init;
    private summarize;
    private isExpired;
    private validSummaries;
    private indexPath;
    private loadIndexFile;
    private persistIndex;
    private loadFromDisk;
    private syncIndex;
    private readProfile;
    private tokenPath;
    private evictExpiredAndOverflow;
}