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                                Change Variable Type	futureStateChange : SettableFuture<T> to futureStateChange : CompletableFuture<T> in method private fireStateChanged(newState T, futureStateChanges List<CompletableFuture<T>>, stateChangeListeners List<StateChangeListener<T>>) : void in class com.facebook.presto.execution.StateMachine | 
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                                Change Variable Type	futureStateChanges : ImmutableList<SettableFuture<T>> to futureStateChanges : ImmutableList<CompletableFuture<T>> in method public compareAndSet(expectedState T, newState T) : boolean in class com.facebook.presto.execution.StateMachine | 
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                                Change Variable Type	futureStateChanges : ImmutableList<SettableFuture<T>> to futureStateChanges : ImmutableList<CompletableFuture<T>> in method public set(newState T) : T in class com.facebook.presto.execution.StateMachine | 
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                                Change Variable Type	futureChange : ListenableFuture<State> to futureChange : Future<State> in method private assertStateChange(stateMachine StateMachine<State>, stateChange StateChanger, expectedState State) : void in class com.facebook.presto.execution.TestStateMachine | 
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                                Change Variable Type	futureChange : ListenableFuture<State> to futureChange : Future<State> in method private assertNoStateChange(stateMachine StateMachine<State>, stateChange StateChanger) : void in class com.facebook.presto.execution.TestStateMachine | 
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                                Change Variable Type	future : ListenableFuture<TaskState> to future : CompletableFuture<TaskState> in method public getStateChange(currentState TaskState) : CompletableFuture<TaskState> in class com.facebook.presto.execution.TaskStateMachine | 
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