synchronized boolean clearDomainObject(String pathname) {
		DomainObjectAdapter doa = openDomainObjects.get(pathname);
		if (doa != null) {
			openDomainObjects.remove(pathname);
			return true;
		}
		return false;
	}
Clears the previously open domain object which has been closed.
@param pathname the path name
@return true if previously open domain file was cleared, else false
Ghidra/Framework/Project/src/main/java/ghidra/framework/data/DefaultProjectData.java