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package com.orbekk.same;
public interface Variable<T> {
public interface OnChangeListener<T> {
/**
* A notification that 'variable' has been changed.
*
* The user must run variable.update() to get the updated value.
*/
void valueChanged(Variable<T> variable);
}
T get();
void set(T value) throws UpdateConflict;
void update();
void waitForChange();
boolean waitingForUpdate();
void setOnChangeListener(OnChangeListener<T> listener);
}
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