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## com.google.gwt.event.logical.shared
Interface HasValueChangeHandlers<T>

Type Parameters:
  `T` - the value about to be changed

All Superinterfaces:
  HasHandlers

All Known Subinterfaces:
  HasConstrainedValue<T>, HasValue<T>

All Known Implementing Classes:
  CellWidget, CheckBox, DateBox, DatePicker, DoubleBox, IntegerBox, LongBox, PasswordTextBox, RadioButton, SimpleCheckBox, SimpleRadioButton, SuggestBox, TextArea, TextBox, TextBoxBase, ToggleButton, ValueBox, ValueBoxBase, ValueListBox, ValuePicker

    public interface HasValueChangeHandlers<T>

extends HasHandlers

A widget that implements this interface is a public source of `ValueChangeEvent` events.

Method Summary
`HandlerRegistration` | `addValueChangeHandler(ValueChangeHandler<T> handler)` Adds a `ValueChangeEvent` handler.

Methods inherited from interface com.google.gwt.event.shared.HasHandlers
`fireEvent`

Method Detail

### addValueChangeHandler

    HandlerRegistration addValueChangeHandler(ValueChangeHandler<T> handler)

  Adds a `ValueChangeEvent` handler.

  Parameters:
    `handler` - the handler
  Returns:
    the registration for the event

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