/**
 * `constants.ts` class for EJ2-PDF
 * @private
 */
export declare class ProcedureSets {
    /**
     * Specifies the `PDF` procedure set.
     * @private
     */
    readonly pdf: string;
    /**
     * Specifies the `Text` procedure set.
     * @private
     */
    readonly text: string;
    /**
     * Specifies the `ImageB` procedure set.
     * @private
     */
    readonly imageB: string;
    /**
     * Specifies the `ImageC` procedure set.
     * @private
     */
    readonly imageC: string;
    /**
     * Specifies the `ImageI` procedure set.
     * @private
     */
    readonly imageI: string;
}