/** @packageDocumentation ID3v2 footer class used by ID3v2.4 tags to allow reverse scanning. */
import { ByteVector } from "../../byteVector.js";
import { Id3v2Header } from "./id3v2Header.js";
/**
 * ID3v2 footer (v2.4 only).
 *
 * The footer is identical to the header except the file identifier is "3DI"
 * instead of "ID3". It allows a parser to find the tag when scanning from the
 * end of a file.
 */
export declare class Id3v2Footer {
    /** Footer is always 10 bytes (same as header). */
    static readonly size: number;
    /** The footer file identifier "3DI". */
    static readonly fileIdentifier: ByteVector;
    /** Creates a new, empty footer instance. */
    constructor();
    /**
     * Render the footer from an existing header.
     * The rendered bytes are identical to the header except bytes 0-2 are "3DI".
     */
    render(header: Id3v2Header): ByteVector;
}
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