export declare const measureText: (imageData: ImageData) => {
    left: number;
    top: number;
    right: number;
    bottom: number;
};
export declare const getLeftPixel: (imageDataArray: Int32Array, width: number, height: number) => number;
export declare const getTopPixel: (imageDataArray: Int32Array, width: number, height: number) => number;
export declare const getRightPixel: (imageDataArray: Int32Array, width: number, height: number) => number;
export declare const getBottomPixel: (imageDataArray: Int32Array, width: number, height: number) => number;