export declare function readFile({ path }: {
    path: string;
}): Promise<string>;
/**
 * Write text file with UTF-8 encoding. The destination directory is created
 * first recursively.
 */
export declare function writeFile({ path, contents, }: {
    path: string;
    contents: string;
}): Promise<void>;
export declare function copyFile({ from, to }: {
    from: string;
    to: string;
}): Promise<void>;
export declare function removeFile({ path }: {
    path: string;
}): Promise<void>;
export declare function isAccessibleFile({ path, mode, }: {
    path: string;
    mode: number;
}): Promise<boolean>;
export declare function isReadableFile({ path }: {
    path: string;
}): Promise<boolean>;
export declare function isWritableFile({ path }: {
    path: string;
}): Promise<boolean>;
export declare function isReadableAndWritableFile({ path }: {
    path: string;
}): Promise<boolean>;
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