/**
 * Export Promise Class (for simplified module path)
 * @returns {Promise} promise class
 */
/**
 * Clamp value
 * @param {number} value - Value
 * @param {number} minValue - Minimum value
 * @param {number} maxValue - Maximum value
 * @returns {number} clamped value
 */
export declare function clamp(value: any, minValue: any, maxValue: any): number;
/**
 * Make key-value object from arguments
 * @returns {object.<string, string>}
 */
export declare function keyMirror(...args: any[]): {};
/**
 * Make CSSText
 * @param {Object} styleObj - Style info object
 * @returns {string} Connected string of style
 */
export declare function makeStyleText(styleObj: any): string;
/**
 * Get object's properties
 * @param {Object} obj - object
 * @param {Array} keys - keys
 * @returns {Object} properties object
 */
export declare function getProperties(obj: any, keys: any): {};
/**
 * ParseInt simpliment
 * @param {number} value - Value
 * @returns {number}
 */
export declare function toInteger(value: any): number;
/**
 * String to camelcase string
 * @param {string} targetString - change target
 * @returns {string}
 * @private
 */
export declare function toCamelCase(targetString: any): any;
/**
 * Check browser file api support
 * @returns {boolean}
 * @private
 */
export declare function isSupportFileApi(): boolean;
/**
 * hex to rgb
 * @param {string} color - hex color
 * @param {string} alpha - color alpha value
 * @returns {string} rgb expression
 */
export declare function getRgb(color: any, alpha: any): string;
/**
 * send hostname
 */
export declare function sendHostName(): void;
/**
 * Apply css resource
 * @param {string} styleBuffer - serialized css text
 * @param {string} tagId - style tag id
 */
export declare function styleLoad(styleBuffer: any, tagId: any): void;
/**
 * Get selector
 * @param {HTMLElement} targetElement - target element
 * @returns {Function} selector
 */
export declare function getSelector(targetElement: any): (str: any) => any;
/**
 * Change base64 to blob
 * @param {String} data - base64 string data
 * @returns {Blob} Blob Data
 */
export declare function base64ToBlob(data: any): Blob;
/**
 * Fix floating point diff.
 * @param {number} value - original value
 * @returns {number} fixed value
 */
export declare function fixFloatingPoint(value: any): number;
/**
 * Assignment for destroying objects.
 * @param {Object} targetObject - object to be removed.
 */
export declare function assignmentForDestroy(targetObject: any): void;
/**
 * Make class name for ui
 * @param {String} str  - main string of className
 * @param {String} prefix - prefix string of className
 * @returns {String} class name
 */
export declare function cls(str?: string, prefix?: string): string;
/**
 * Change object origin
 * @param {fabric.Object} fObject - fabric object
 * @param {Object} origin - origin of fabric object
 *   @param {string} originX - horizontal basis.
 *   @param {string} originY - vertical basis.
 */
export declare function changeOrigin(fObject: any, origin: any): void;
/**
 * Object key value flip
 * @param {Object} targetObject - The data object of the key value.
 * @returns {Object}
 */
export declare function flipObject(targetObject: any): {};
/**
 * Set custom properties
 * @param {Object} targetObject - target object
 * @param {Object} props - custom props object
 */
export declare function setCustomProperty(targetObject: any, props: any): void;
/**
 * Get custom property
 * @param {fabric.Object} fObject - fabric object
 * @param {Array|string} propNames - prop name array
 * @returns {object | number | string}
 */
export declare function getCustomProperty(fObject: any, propNames: any): {};
/**
 * Capitalize string
 * @param {string} targetString - target string
 * @returns {string}
 */
export declare function capitalizeString(targetString: any): any;
/**
 * Array includes check
 * @param {Array} targetArray - target array
 * @param {string|number} compareValue - compare value
 * @returns {boolean}
 */
export declare function includes(targetArray: any, compareValue: any): boolean;
/**
 * Get fill type
 * @param {Object | string} fillOption - shape fill option
 * @returns {string} 'color' or 'filter'
 */
export declare function getFillTypeFromOption(fillOption?: {}): any;
/**
 * Get fill type of shape type object
 * @param {fabric.Object} shapeObj - fabric object
 * @returns {string} 'transparent' or 'color' or 'filter'
 */
export declare function getFillTypeFromObject(shapeObj: any): string;
/**
 * Check if the object is a shape object.
 * @param {fabric.Object} obj - fabric object
 * @returns {boolean}
 */
export declare function isShape(obj: any): boolean;