/**
 * Given an object, return a new object with all entries with `undefined` values
 * removed.
 */
export declare function stripUndefined<T extends object, R = {
    [key in keyof T]: Exclude<T[keyof T], undefined>;
}>(obj: T): R;
/**
 * Given two objects, return a new object with all entries from both objects,
 * skipping any entries with `undefined` values.
 */
export declare function merged<T1 extends object, T2 extends object>(obj1?: T1, obj2?: T2): T1 & T2;