import { Metadata } from "./encryption_parameters";
export declare class PlaintextHeader {
    private _symmetricKey;
    private _metadata;
    get symmetricKey(): Uint8Array;
    set symmetricKey(value: Uint8Array);
    get metadata(): Metadata | undefined;
    set metadata(value: Metadata | undefined);
    constructor(symmetricKey: Uint8Array, metadata?: Metadata);
    /**
     * Deserialize a clear text header.
     * @param plaintextHeader a raw header
     * @returns the object deserialized
     */
    static parse(plaintextHeader: Uint8Array): PlaintextHeader;
}
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