/**
 * PDF page viewport created based on scale, rotation and offset.
 */
export interface PageViewport {
    viewBox: number[];
    scale: number;
    rotation: number;
    offsetX: number;
    offsetY: number;
    transform: number[];
    width: number;
    height: number;
    /**
     * The original, un-scaled, viewport dimensions.
     * @type {Object}
     */
    get rawDims(): Object;
    /**
     * Converts PDF point to the viewport coordinates. For examples, useful for
     * converting PDF location into canvas pixel coordinates.
     * @param {number} x - The x-coordinate.
     * @param {number} y - The y-coordinate.
     * @returns {Object} Object containing `x` and `y` properties of the
     *   point in the viewport coordinate space.
     * @see {@link convertToPdfPoint}
     * @see {@link convertToViewportRectangle}
     */
    convertToViewportPoint(x: number, y: number): Object;
    /**
     * Converts PDF rectangle to the viewport coordinates.
     * @param {Array} rect - The xMin, yMin, xMax and yMax coordinates.
     * @returns {Array} Array containing corresponding coordinates of the
     *   rectangle in the viewport coordinate space.
     * @see {@link convertToViewportPoint}
     */
    convertToViewportRectangle(rect: any[]): any[];
    /**
     * Converts viewport coordinates to the PDF location. For examples, useful
     * for converting canvas pixel location into PDF one.
     * @param {number} x - The x-coordinate.
     * @param {number} y - The y-coordinate.
     * @returns {Object} Object containing `x` and `y` properties of the
     *   point in the PDF coordinate space.
     * @see {@link convertToViewportPoint}
     */
    convertToPdfPoint(x: number, y: number): Object;
}