export declare const BYTES_PER_PIXEL = 4;
export declare const FPDFErrorCode: {
    SUCCESS: number;
    UNKNOWN: number;
    FILE: number;
    FORMAT: number;
    PASSWORD: number;
    SECURITY: number;
    PAGE: number;
};
export declare const FPDFBitmap: {
    Unknown: number;
    Gray: number;
    BGR: number;
    BGRx: number;
    BGRA: number;
};
export declare const FPDFRenderFlag: {
    ANNOT: number;
    LCD_TEXT: number;
    NO_NATIVETEXT: number;
    GRAYSCALE: number;
    DEBUG_INFO: number;
    NO_CATCH: number;
    RENDER_LIMITEDIMAGECACHE: number;
    RENDER_FORCEHALFTONE: number;
    PRINTING: number;
    RENDER_NO_SMOOTHTEXT: number;
    RENDER_NO_SMOOTHIMAGE: number;
    RENDER_NO_SMOOTHPATH: number;
    REVERSE_BYTE_ORDER: number;
    CONVERT_FILL_TO_STROKE: number;
};
export declare const FPDFPageObjectType: {
    TEXT: number;
    PATH: number;
    IMAGE: number;
    SHADING: number;
    FORM: number;
};