/// <reference types="node" />
export declare class IcnsFileHeader {
    readonly identifier: 'icns';
    readonly bytes: number;
    constructor(identifier?: 'icns', bytes?: number);
    /**
     * Create ICNS file header from the buffer.
     * @param buffer The ICNS file header buffer.
     */
    static from(buffer: Buffer): IcnsFileHeader;
    get data(): Buffer;
}