import { KeyValueCache } from '@apollo/utils.keyvaluecache';
import { ServerContext, ITextSnapshot, IWriteTextFileOptions, IReadTextFileOptions, ICacheTextFileService } from '@files-stack/core';
import { URI } from '@vscode-alt/monaco-editor/esm/vs/base/common/uri';
import { CdmLogger } from '@cdm-logger/core';
export interface CacheOptions {
    ttl?: number;
}
export declare class FilesDataSource implements ICacheTextFileService {
    private context;
    private logger?;
    private cachedTextFileService;
    private cache;
    constructor(context: ServerContext, logger?: CdmLogger.ILogger);
    /**
     * Initialize will be called during the server setup.
     */
    initialize(context: ServerContext, cache?: KeyValueCache<string>): void;
    readCache(resource: URI, options?: IReadTextFileOptions): Promise<import("@files-stack/core").ITextFileContent>;
    writeCache(resource: URI, value: string | ITextSnapshot, options?: IWriteTextFileOptions): Promise<import("@files-stack/core").IFileStatWithMetadata>;
    deleteCache(resource: URI, options?: {
        useTrash?: boolean;
        recursive?: boolean;
    }): any;
    protected cacheKeyFor(resource: URI): string;
}