import { AttachmentType, KubunID } from './base.js';
export declare class AttachmentID extends KubunID<AttachmentType.BINARY> {
    #private;
    static create(value: Uint8Array, mimeType?: string): AttachmentID;
    static fromBytes(input: Uint8Array): AttachmentID;
    static fromString(input: string): AttachmentID;
    static from(input: AttachmentID | Uint8Array | string): AttachmentID;
    constructor(digest: Uint8Array, contentLength: number, mimeType?: string);
    get contentLength(): number;
    get digest(): Uint8Array;
    get mimeType(): string;
}