public synchronized void renameOverlaySpace(String oldName, String newName) throws IOException {
		adapter.renameOverlaySpace(oldName, newName);
		invalidateCache();
	}
Rename an existing overlay space.
@param oldName old overlay name
@param newName new overlay name (must be unique among all space names within this map)
@throws IOException if IO error occurs
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/map/AddressMapDB.java