export interface FilesystemAdapter {
    readFile(filePath: string): Promise<string>;
    writeFile(filePath: string, content: string): Promise<void>;
    appendFile(filePath: string, content: string): Promise<void>;
    mkdir(dirPath: string): Promise<void>;
    exists(filePath: string): Promise<boolean>;
    readdir(dirPath: string): Promise<string[]>;
}
export declare class NodeFilesystemAdapter implements FilesystemAdapter {
    readFile(filePath: string): Promise<string>;
    writeFile(filePath: string, content: string): Promise<void>;
    appendFile(filePath: string, content: string): Promise<void>;
    mkdir(dirPath: string): Promise<void>;
    exists(filePath: string): Promise<boolean>;
    readdir(dirPath: string): Promise<string[]>;
}
export declare class InMemoryFilesystemAdapter implements FilesystemAdapter {
    private files;
    readFile(filePath: string): Promise<string>;
    writeFile(filePath: string, content: string): Promise<void>;
    appendFile(filePath: string, content: string): Promise<void>;
    mkdir(_dirPath: string): Promise<void>;
    exists(filePath: string): Promise<boolean>;
    readdir(dirPath: string): Promise<string[]>;
    clear(): void;
    listFiles(): string[];
}