export declare const noBlankChars: (str: string) => boolean;
export declare const isPatchProperty: (str: string) => boolean;
export declare const transformPatchPropertyKeys: (str: string) => string[];
/**
 * 每间隔num次执行fn
 * @param fn
 * @param num 间隔次数
 * @param config
 */
export declare function intervalFn(fn: Function, num: number, config?: {
    immediate: boolean;
}): (...args: any) => void;