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// Test case for issue 1464
// https://github.com/typetools/checker-framework/issues/1464
public class Issue1464 {
public interface Variable<T> {
void addChangedListener(VariableChangedListener<T> listener);
}
public interface VariableChangedListener<T> {
void variableChanged(final Variable<T> variable);
}
protected <T> void addChangedListener(
final Variable<T> variable, final VariableChangedListener<T> listener) {}
public void main(final Variable<?> tmp) {
addChangedListener(tmp, variable -> System.out.println(variable));
}
}
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