import { ObjectManager } from "../ObjectManager";
import { ObjectBase } from "../ObjectBase";
import type { PdfDateTime } from "../Types";
/**
 * Represents embedded file stream in PDF.
 * See {@link EmbeddedFileStream}.
 */
export type EmbeddedFileStreamProperties = {
    /**
     * The stream data.
     */
    data: Uint8Array;
    /**
     * The date and time when the embedded file was created.
     */
    creationDate?: PdfDateTime | null;
    /**
     * The date and time when the embedded file was last modified.
     */
    modificationDate?: PdfDateTime | null;
    /**
     * The file's MIME type.
     */
    mimeType?: string | null;
};
/**
 * Represents embedded file stream in PDF.
 */
export declare class EmbeddedFileStream extends ObjectBase {
    /**
     * Initialize a new instance of the {@link EmbeddedFileStream} class.
     *
     * @param om - {@link ObjectManager} that controls the lifetime of the {@link EmbeddedFileStream}.
     * @param bytes - The file data.
     */
    constructor(om: ObjectManager, bytes: Uint8Array);
    /**
     * Initialize a new instance of the {@link EmbeddedFileStream} class.
     *
     * @param bytes - The file data.
     */
    constructor(bytes: Uint8Array);
    /**
     * Gets the Uint8Array containing content of this {@link EmbeddedFileStream},
     * stream should be disposed after usage.
     * NOTE! Method can return null if this {@link EmbeddedFileStream} is empty.
     */
    getStream(): Uint8Array | null;
    /**
     * Gets or sets the date and time when the embedded file was created.
     */
    get creationDate(): PdfDateTime | null;
    /**
     * Gets or sets the date and time when the embedded file was created.
     */
    set creationDate(value: PdfDateTime | null);
    /**
     * Gets or sets the date and time when the embedded file was last modified.
     */
    get modificationDate(): PdfDateTime | null;
    /**
     * Gets or sets the date and time when the embedded file was last modified.
     */
    set modificationDate(value: PdfDateTime | null);
    /**
     * Gets or sets a 16-byte string that is the checksum of the bytes of the uncompressed embedded file.
     * The checksum is calculated by applying the standard MD5 message-digest algorithm
     * to the bytes of the embedded file stream.
     * Checksum calculated automatically when {@link EmbeddedFileStream} is created.
     */
    get checkSum(): Uint8Array | null;
    /**
     * Gets or sets a 16-byte string that is the checksum of the bytes of the uncompressed embedded file.
     * The checksum is calculated by applying the standard MD5 message-digest algorithm
     * to the bytes of the embedded file stream.
     * Checksum calculated automatically when {@link EmbeddedFileStream} is created.
     */
    set checkSum(value: Uint8Array | null);
    /**
     * Gets or sets the size of the embedded file, in bytes.
     */
    get size(): number | null;
    /**
     * Gets or sets the size of the embedded file, in bytes.
     */
    set size(value: number | null);
    /**
     * Gets or sets the file's MIME type.
     */
    get mimeType(): string | null;
    /**
     * Gets or sets the file's MIME type.
     */
    set mimeType(value: string | null);
}