/**
 * Auto-generated file. Do not change.
 */
import { Type } from './Type';
import { TypedApiObject } from '../types/TypedApiObject';
export declare type FileMetadata = {
    /**
     * Type of the object. Always /file_metadata for this object.
     */
    readonly _object: Type.FileMetadata;
    /**
     * Size of the file in bytes
     *
     * JSON-schema: integer
     * @example 20000
     */
    readonly size?: number;
    /**
     * Date this document was uploaded.
     *
     * JSON-schema: string (string)
     */
    readonly uploaded_at?: string;
};
export declare type LiftedFileMetadata = TypedApiObject & FileMetadata;
/**
 * Lifts an object return from a Flexport API responses into the SDK domain by augmenting them with higher level properties.
 */
export declare const liftFileMetadata: (original: FileMetadata) => LiftedFileMetadata;