@Override
	public boolean acceptsType(int category, Class<?> proxyObjectClass) {
		if (!Function.class.isAssignableFrom(proxyObjectClass)) {
			return false;
		}
		return (category == FieldFormatModel.FUNCTION);
	}
@see ghidra.app.util.viewer.field.FieldFactory#acceptsType(int, java.lang.Class)
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/field/FunctionPurgeFieldFactory.java