export declare const ERROR_MSGS: {
    calcAverageColor: {
        notArrayOfRgbObj: string;
        noPixelsFound: string;
    };
    getCanvasBlockColors: {
        elementNotCanvas: string;
    };
    targetToCanvas: {
        targetNotElement: string;
    };
    imageToCanvas: {
        targetNotImg: string;
    };
    validatePickRadius: {
        pickRadiusOutOfBounds: string;
    };
};
export declare const PICK_RADIUS_OUT_OF_BOUNDS_ERROR: Error;
export declare const TARGET_NODE_TYPE_NOT_IMG_ERROR: Error;
export declare const TARGET_NOT_HTML_ELEMENT_ERROR: Error;
export declare const VAL_NOT_RGB_OBJ_ARRAY_ERROR: Error;
export declare const ZERO_PIXELS_FOUND_ERROR: Error;
export declare const ELEMENT_NOT_CANVAS_ERROR: Error;