import { DocumentInitParameters } from 'pdfjs-dist/types/src/display/api';
export declare const PDF_TO_PNG_OPTIONS_DEFAULTS: {
    viewportScale: number;
    disableFontFace: boolean;
    useSystemFonts: boolean;
    enableXfa: boolean;
    outputFileMask: string;
    strictPagesToProcess: boolean;
    pdfFilePassword: undefined;
};
export declare const DOCUMENT_INIT_PARAMS_DEFAULTS: DocumentInitParameters;
export declare const STANDARD_FONTS: string[];
export declare const STANDARD_CMAPS: string[];