@Override
	public void close() {
		if (archiveDTM != null) {
			archiveDTM.close();
			archiveDTM = null;
		}
	}
Creates and initializes a DataTypeMapper.

@param program the {@link Program} that will contain the deserialized data
@param archiveGDT path to a gdt data type archive that will be searched when
a {@link #getType(String, Class)} is called, or {@code null} if no archive
@throws IOException if error opening data type archive
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/structmapping/DataTypeMapper.java