newDisplayBuilder method
create a display builder
Implementation
DisplayBuilder newDisplayBuilder() {
final tmp0 = _newDisplayBuilder();
final tmp2 = tmp0;
final ffi.Pointer<ffi.Void> tmp2_0 = ffi.Pointer.fromAddress(tmp2);
final tmp2_1 = _Box(this, tmp2_0, "drop_box_DisplayBuilder");
tmp2_1._finalizer = this._registerFinalizer(tmp2_1);
final tmp1 = DisplayBuilder._(this, tmp2_1);
return tmp1;
}