declare const _default: {
    name: string;
    description: string;
    parser(r: import("../BoxReader.js").BoxReader<TrackEncryptionBoxContent>): void;
};
export default _default;
export type TrackEncryptionBoxContent = {
    version: number;
    flags: number;
    reserved: number;
    reserved_1?: number | undefined;
    default_pattern?: import("../types.js").ParsedBitsField | undefined;
    default_IsProtected: number;
    default_Per_Sample_IV_Size: number;
    default_KID: Uint8Array;
    default_constant_IV_size?: number | undefined;
    default_constant_IV?: Uint8Array | undefined;
};
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