/**
 * 用于构造函数的分配函数
 * @param objThis 目标对象
 * @param data 待处理的数据
 */
export declare function assignInConstructor(objThis: object, data?: object): void;
/**
 * Convert a value to a string that is actually rendered.
 */
export declare function toString(val: any): string;
/**
 * Convert a input value to a number for persistence.
 * If the conversion fails, return original string.
 */
export declare function toNumber(val: string): number | string;
/**
 * Make a map and return a function for checking if a key
 * is in that map.
 */
export declare function makeMap(str: string, expectsLowerCase?: boolean): (key: string) => true | void;
/**
 * Check if a tag is a built-in tag.
 */
export declare const isBuiltInTag: (key: string) => true | void;
/**
 * Check if a attribute is a reserved attribute.
 */
export declare const isReservedAttribute: (key: string) => true | void;
/**
 * Remove an item from an array
 */
export declare function remove(arr: Array<any>, item: any): Array<any> | void;
export declare function hasOwn(obj: object | Array<any>, key: string): boolean;
/**
 * Create a cached version of a pure function.
 */
export declare const cached: (fn: Function) => (...args: any[]) => any;
export declare const camelize: (...args: any[]) => any;
/**
 * Capitalize a string.
 */
export declare const capitalize: (...args: any[]) => any;
export declare const hyphenate: (...args: any[]) => any;
/**
 * Simple bind, faster than native
 */
export declare function bind(fn: Function, ctx: object): Function;
/**
 * Mix properties into target object.
 */
export declare function extend(to: object, _from?: object): object;
export declare function objectWithoutProperties<T, K extends keyof T>(obj: T, exclude: K[]): Pick<T, Exclude<keyof T, K>>;
/**
 * Merge an Array of objects into a single object.
 */
export declare function toobject(arr: Array<any>): object;