private DataType getProgramDataType(Program program) {
		if (datatype != null) {
			return datatype.getDataType(program.getDataTypeManager());
		}
		return null;
	}
Returns the data type of this variable.
@return the data type of this variable
Ghidra/Features/Base/src/main/java/ghidra/app/util/demangler/DemangledVariable.java