export declare function intParse(str?: string): number | undefined;
declare type Obj = {
    [key: string]: string | number;
};
export declare function withoutKey(src: Obj, prop: string): Obj;
export declare function clamp(min: number, max: number, val: number): number;
export declare function isEmpty<T>(obj?: T): obj is T;
export declare function getDiff<T extends Record<string, string | number | undefined | null>>(original: T, update: T): Partial<T>;
export {};