boolean setPersistentOwner(Program program, Object owner) {
		ProgramInfo info = getInfo(program);
		if (info != null && info.owner == null) {
			info.owner = owner;
			return true;
		}
		return false;
	}
Class for tracking open programs in the tool.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/progmgr/MultiProgramManager.java