private boolean isNameUnusedOrMine(CategoryPath path, String newName) {
		DataType dt = dataMgr.getDataType(path, newName);
		return dt == null || dt == this;
	}
Construct TypeDefDB instance
@param dataMgr datatype manager
@param cache DataTypeDB cache
@param adapter TypeDef record adapter
@param record TypeDefDB record
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/data/TypedefDB.java