Optimize imports

HMCLCore/src/main/java/org/jackhuang/hmcl/auth/InvalidTokenException.java

@@ -17,7 +17,6 @@
  */
 package org.jackhuang.hmcl.auth;
 
-import org.jackhuang.hmcl.auth.AuthenticationException;
 import org.jackhuang.hmcl.auth.yggdrasil.YggdrasilAccount;
 
 /**

HMCLCore/src/main/java/org/jackhuang/hmcl/launch/Launcher.java

@@ -25,7 +25,6 @@ import org.jackhuang.hmcl.util.ManagedProcess;
 
 import java.io.File;
 import java.io.IOException;
-import java.util.List;
 
 /**
  *

HMCLCore/src/main/java/org/jackhuang/hmcl/mod/MinecraftInstanceTask.java

@@ -26,10 +26,8 @@ import org.jackhuang.hmcl.util.FileUtils;
 
 import java.io.File;
 import java.io.FileInputStream;
-import java.util.HashMap;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.Map;
 
 public final class MinecraftInstanceTask<T> extends Task {
 

HMCLCore/src/main/java/org/jackhuang/hmcl/mod/ModpackConfiguration.java

@@ -21,7 +21,9 @@ import com.google.gson.JsonParseException;
 import org.jackhuang.hmcl.util.Immutable;
 import org.jackhuang.hmcl.util.Validation;
 
-import java.util.*;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
 
 @Immutable
 public final class ModpackConfiguration<T> implements Validation {

HMCLCore/src/main/java/org/jackhuang/hmcl/mod/ModpackInstallTask.java

@@ -25,7 +25,10 @@ import org.jackhuang.hmcl.util.FileUtils;
 import org.jackhuang.hmcl.util.IOUtils;
 
 import java.io.*;
-import java.util.*;
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
 import java.util.function.Predicate;
 
 public class ModpackInstallTask<T> extends Task {

HMCLCore/src/main/java/org/jackhuang/hmcl/mod/MultiMCModpackInstallTask.java

@@ -27,7 +27,10 @@ import org.jackhuang.hmcl.game.Arguments;
 import org.jackhuang.hmcl.game.DefaultGameRepository;
 import org.jackhuang.hmcl.game.Version;
 import org.jackhuang.hmcl.task.Task;
-import org.jackhuang.hmcl.util.*;
+import org.jackhuang.hmcl.util.Constants;
+import org.jackhuang.hmcl.util.FileUtils;
+import org.jackhuang.hmcl.util.IOUtils;
+import org.jackhuang.hmcl.util.Lang;
 
 import java.io.File;
 import java.io.IOException;

HMCLCore/src/main/java/org/jackhuang/hmcl/task/CoupleTask.java

@@ -24,7 +24,6 @@ import java.util.Collection;
 import java.util.Collections;
 import java.util.LinkedList;
 import java.util.List;
-import java.util.function.Function;
 
 /**
  * A task that combines two tasks and make sure [pred] runs before succ.

HMCLCore/src/main/java/org/jackhuang/hmcl/task/FinalizedTask.java

@@ -17,13 +17,8 @@
  */
 package org.jackhuang.hmcl.task;
 
-import org.jackhuang.hmcl.util.AutoTypingMap;
-import org.jackhuang.hmcl.util.ExceptionalFunction;
-
 import java.util.Collection;
 import java.util.Collections;
-import java.util.LinkedList;
-import java.util.List;
 
 /**
  * A task that combines two tasks and make sure [pred] runs before succ.

HMCLCore/src/main/java/org/jackhuang/hmcl/task/TaskExecutor.java

@@ -23,7 +23,10 @@ import org.jackhuang.hmcl.util.Lang;
 import org.jackhuang.hmcl.util.Logging;
 
 import java.util.*;
-import java.util.concurrent.*;
+import java.util.concurrent.ConcurrentLinkedQueue;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.Future;
+import java.util.concurrent.RejectedExecutionException;
 import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.concurrent.atomic.AtomicInteger;
 import java.util.logging.Level;

HMCLCore/src/main/java/org/jackhuang/hmcl/task/TaskListener.java

@@ -17,8 +17,6 @@
  */
 package org.jackhuang.hmcl.task;
 
-import org.jackhuang.hmcl.util.AutoTypingMap;
-
 import java.util.EventListener;
 
 /**