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Example: ConstructorArg1.java...public class ConstructorArg1 extends Composite {private static ConstructorArg1UiBinder uiBinder =GWT.create(ConstructorArg1UiBinder.class);interface ConstructorArg1UiBinderextends UiBinder {}@UiField(provided = true)FancyOptionalTextBox shared;Important! This must be instantiated beforecalling initWidget(…).public ConstructorArg1() {// You would usually retrieve this from a factoryshared = new FancyOptionalTextBox("Sharing is caring!",true, false);initWidget(uiBinder.createAndBindUi(this));}...31Example: ContructorArg1.ui.xml...Using@UiField(provided="true"):...Attributes corresponding to setters can still beused as usual. This one corresponds tosetClearTextOnDisable(…).32