Is there opposite of dark hole?

The concept of a "dark hole" typically refers to a black hole, which is an area in space with a gravitational pull so strong that nothing can escape from it. An opposite concept might be a "white hole," which theoretically expels matter and energy and cannot be entered from the outside. However, white holes are purely hypothetical and have not been observed in the universe. Therefore, while they exist in theoretical physics, their existence remains unproven.