private static boolean isAutoNamedTypedef(DataType dt) {
		if (dt instanceof TypeDef) {
			TypeDef td = (TypeDef) dt;
			return td.isAutoNamed();
		}
		return false;
	}
If the indicated data type is associated with a source archive, this will remove the
association.
@param dataType the data type to be disassociated from a source archive.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/datamgr/DataTypeSynchronizer.java