export declare function resolveToCwd(filePath: string, cwd: string): string;
export declare function exists(p: string): Promise<boolean>;
export declare function readText(p: string): Promise<string | undefined>;
export declare function writeText(p: string, content: string): Promise<void>;
export declare function deleteFile(p: string): Promise<void>;
export declare function hashText(content: string): string;
export declare function backupPathFor(p: string): string;
export declare function newId(): string;