public DataType getPkgPathDataType() {
		return Flag.HAS_PKGPATH.isSet(flags)
				? programContext.getGoTypes().getInt32DT()
				: null;
	}
Returns the data type needed to store the pkg path offset field, called by serialization
from the fieldoutput annotation.

@return Ghidra data type needed to store the pkg path offset field, or null if not present
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/rtti/GoName.java