@Override
	public boolean allowsDefaultBuiltInSettings() {
		return false;
	}
A stub of the {@link DataTypeManager} interface.  This can be used to supply a test values 
or to spy on system internals by overriding methods as needed.
Ghidra/Framework/SoftwareModeling/src/test/java/ghidra/program/model/data/TestDoubleDataTypeManager.java