export interface Permissions {
    /**
     * `true` if these permissions describe a readonly (unwritable) file.
     */
    readonly: boolean;
    /**
     * The underlying raw `st_mode` bits that contain the standard Unix permissions for this file.
     */
    mode: number | undefined;
}
/**
 * Metadata information about a file.
 * This structure is returned from the `metadata` function or method
 * and represents known metadata about a file such as its permissions, size, modification times, etc.
 */
export interface Metadata {
    /**
     * The last access time of this metadata.
     */
    accessedAt: Date;
    /**
     * The creation time listed in this metadata.
     */
    createdAt: Date;
    /**
     * The last modification time listed in this metadata.
     */
    modifiedAt: Date;
    /**
     * `true` if this metadata is for a directory.
     */
    isDir: boolean;
    /**
     * `true` if this metadata is for a regular file.
     */
    isFile: boolean;
    /**
     * `true` if this metadata is for a symbolic link.
     */
    isSymlink: boolean;
    /**
     * The size of the file, in bytes, this metadata is for.
     */
    size: number;
    /**
     * The permissions of the file this metadata is for.
     */
    permissions: Permissions;
    /**
     * The ID of the device containing the file. Only available on Unix.
     */
    dev: number | undefined;
    /**
     * The inode number. Only available on Unix.
     */
    ino: number | undefined;
    /**
     * The rights applied to this file. Only available on Unix.
     */
    mode: number | undefined;
    /**
     * The number of hard links pointing to this file. Only available on Unix.
     */
    nlink: number | undefined;
    /**
     * The user ID of the owner of this file. Only available on Unix.
     */
    uid: number | undefined;
    /**
     * The group ID of the owner of this file. Only available on Unix.
     */
    gid: number | undefined;
    /**
     * The device ID of this file (if it is a special one). Only available on Unix.
     */
    rdev: number | undefined;
    /**
     * The block size for filesystem I/O. Only available on Unix.
     */
    blksize: number | undefined;
    /**
     * The number of blocks allocated to the file, in 512-byte units. Only available on Unix.
     */
    blocks: number | undefined;
}
export declare function metadata(path: string): Promise<Metadata>;
export declare function exists(path: string): Promise<boolean>;