import { _PdfCrossReference } from '@syncfusion/ej2-pdf';
export declare class _PdfColorSpaceUtils {
    _canvasRenderCallback: any;
    constructor();
    constructor(callback: any);
    _parse(colorSpace: any, xref: _PdfCrossReference, resources: any, pdfFunctionFactory: any, // eslint-disable-line
    globalColorSpaceCache: any, localColorSpaceCache: any, asyncIfNotCached: boolean): Promise<any>;
    _subParse(cs: any, options: any): Promise<any>;
    _parseColorspace(cs: any, options: any): Promise<any>;
    readonly gray: any;
    readonly rgb: any;
    readonly rgba: any;
    readonly cmyk: any;
}
