import { ContentAADString, ContentType } from './identifiers';
import { BinaryData } from './types';
export declare function aadFactory(fromUtf8: (input: string) => Uint8Array): {
    messageAADContentString: ({ contentType, isFinalFrame, }: {
        contentType: ContentType;
        isFinalFrame: boolean;
    }) => ContentAADString;
    messageAAD: (messageId: BinaryData, aadContentString: ContentAADString, seqNum: number, contentLength: number) => Uint8Array;
};
//# sourceMappingURL=aad_factory.d.ts.map