export interface ImageSize {
    height: number;
    width: number;
}
export interface BlorbChunk {
    /** Resource descriptions */
    alttext?: string;
    /** Whether a data chunk is binary */
    binary?: boolean;
    /** The original Chunk ID FourCC */
    blorbtype?: string;
    content?: Uint8Array;
    /** Cached image dimensions */
    imagesize?: ImageSize;
    /** Image type */
    type?: string;
    /** External URL for image */
    url?: string;
    /** Resource usage */
    usage: 'data' | 'exec' | 'pict' | 'sound';
}
export interface ImageInfo extends BlorbChunk {
    height?: number;
    /** The resource number */
    image: number;
    width?: number;
}
export interface BlorbDataChunk {
    binary: boolean;
    data: Uint8Array;
}
export interface InfoMapResource {
    height: number;
    image: number;
    url: string;
    width: number;
}
export type InfoMap = Record<string, InfoMapResource>;
export declare class Blorb {
    classname: string;
    /** Chunks are indexed with "USE:NUMBER" keys */
    chunks: Record<string, BlorbChunk>;
    private coverimagenum?;
    private debugdata?;
    private is_inited;
    private metadata;
    constructor(data?: Uint8Array);
    init(data: any[]): void;
    init(data: InfoMap, options: {
        format: 'infomap';
    }): void;
    init(data: Uint8Array): void;
    getlibrary(): null;
    get_chunk(usage: string, num: number): BlorbChunk | null;
    get_cover_pict(): number | null;
    get_data_chunk(num: number): BlorbDataChunk | null;
    get_debug_info(): Uint8Array | undefined;
    /** Return the game file chunk, or null if there isn't one.
     * If type is provided (GLUL or ZCOD) then the game file is checked to ensure it matches
     */
    get_exec_data(gametype?: 'GLUL' | 'ZCOD'): Uint8Array | null;
    get_image_info(num: number): ImageInfo | null;
    get_image_url(num: number): string | null;
    get_metadata(field: string): string;
    inited(): boolean;
}
export declare function is_blorb(data: Uint8Array): boolean;