@Override
	public StructureDataType getRowDataType() {
		StructureDataType rowDt = new StructureDataType(new CategoryPath(PATH), "FieldLayout Row", 0);
		rowDt.add(DWORD, "Offset", null);
		rowDt.add(metadataStream.getTableIndexDataType(CliTypeTable.Field), "Field", null);
		return rowDt;
	}
Describes the FieldLayout table. Serves a similar purpose to ClassLayout; it's useful when passing to unmanaged code.
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/pe/cli/tables/CliTableFieldLayout.java