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java.lang.NullPointerException: 	at com.google.errorprone.bugpatterns.ReferenceEquality.implementsEquals(ReferenceEquality.java:102)	at com.google.errorprone.bugpatterns.ReferenceEquality.matchArgument(ReferenceEquality.java:69)	at com.google.errorprone.bugpatterns.AbstractReferenceEquality.matchBinary(AbstractReferenceEquality.java:57)	at com.google.errorprone.scanner.ErrorProneScanner.visitBinary(ErrorProneScanner.java:556)	at com.google.errorprone.scanner.ErrorProneScanner.visitBinary(ErrorProneScanner.java:146)	at com.sun.tools.javac.tree.JCTree$JCBinary.accept(JCTree.java:1958)	at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:91)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:45)	at com.sun.source.util.TreeScanner.visitParenthesized(TreeScanner.java:573)	at com.google.errorprone.scanner.ErrorProneScanner.visitParenthesized(ErrorProneScanner.java:1038)	at com.google.errorprone.scanner.ErrorProneScanner.visitParenthesized(ErrorProneScanner.java:146)	at com.sun.tools.javac.tree.JCTree$JCParens.accept(JCTree.java:1819)	at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:91)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:45)	at com.sun.source.util.TreeScanner.visitIf(TreeScanner.java:419)	at com.google.errorprone.scanner.ErrorProneScanner.visitIf(ErrorProneScanner.java:805)	at com.google.errorprone.scanner.ErrorProneScanner.visitIf(ErrorProneScanner.java:146)	at com.sun.tools.javac.tree.JCTree$JCIf.accept(JCTree.java:1397)	at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:91)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:45)	at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)	at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)	at com.sun.source.util.TreeScanner.visitBlock(TreeScanner.java:249)	at com.google.errorprone.scanner.ErrorProneScanner.visitBlock(ErrorProneScanner.java:577)	at com.google.errorprone.scanner.ErrorProneScanner.visitBlock(ErrorProneScanner.java:146)	at com.sun.tools.javac.tree.JCTree$JCBlock.accept(JCTree.java:996)	at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:91)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:45)	at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)	at com.sun.source.util.TreeScanner.visitMethod(TreeScanner.java:207)	at com.google.errorprone.scanner.ErrorProneScanner.visitMethod(ErrorProneScanner.java:945)	at com.google.errorprone.scanner.ErrorProneScanner.visitMethod(ErrorProneScanner.java:146)	at com.sun.tools.javac.tree.JCTree$JCMethodDecl.accept(JCTree.java:868)	at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:91)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:45)	at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)	at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)	at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)	at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)	at com.google.errorprone.scanner.ErrorProneScanner.visitClass(ErrorProneScanner.java:637)	at com.google.errorprone.scanner.ErrorProneScanner.visitClass(ErrorProneScanner.java:146)	at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:778)	at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:91)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:45)	at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:91)	at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)	at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)	at com.sun.source.util.TreeScanner.visitClass(TreeScanner.java:188)	at com.google.errorprone.scanner.ErrorProneScanner.visitClass(ErrorProneScanner.java:637)	at com.google.errorprone.scanner.ErrorProneScanner.visitClass(ErrorProneScanner.java:146)	at com.sun.tools.javac.tree.JCTree$JCClassDecl.accept(JCTree.java:778)	at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:72)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:91)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:45)	at com.sun.source.util.TreeScanner.scan(TreeScanner.java:106)	at com.sun.source.util.TreeScanner.scanAndReduce(TreeScanner.java:114)	at com.sun.source.util.TreeScanner.visitCompilationUnit(TreeScanner.java:145)	at com.google.errorprone.scanner.ErrorProneScanner.visitCompilationUnit(ErrorProneScanner.java:652)	at com.google.errorprone.scanner.ErrorProneScanner.visitCompilationUnit(ErrorProneScanner.java:146)	at com.sun.tools.javac.tree.JCTree$JCCompilationUnit.accept(JCTree.java:561)	at com.sun.source.util.TreePathScanner.scan(TreePathScanner.java:53)	at com.google.errorprone.scanner.Scanner.scan(Scanner.java:70)	at com.google.errorprone.scanner.ErrorProneScannerTransformer.apply(ErrorProneScannerTransformer.java:45)	at com.google.errorprone.ErrorProneAnalyzer.finished(ErrorProneAnalyzer.java:125)	at com.sun.tools.javac.api.MultiTaskListener.finished(MultiTaskListener.java:113)	at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1303)	at com.sun.tools.javac.main.JavaCompiler.flow(JavaCompiler.java:1247)	at com.sun.tools.javac.main.JavaCompiler.compile(JavaCompiler.java:858)	at com.sun.tools.javac.main.Main.compile(Main.java:253)	at com.google.errorprone.BaseErrorProneCompiler.run(BaseErrorProneCompiler.java:190)	at com.google.errorprone.BaseErrorProneCompiler.run(BaseErrorProneCompiler.java:101)	at com.google.errorprone.ErrorProneCompiler.run(ErrorProneCompiler.java:131)	at com.google.errorprone.ErrorProneCompiler.compile(ErrorProneCompiler.java:73)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at net.ltgt.gradle.errorprone.ErrorProneCompiler.execute(ErrorProneCompiler.java:57)	at net.ltgt.gradle.errorprone.ErrorProneCompiler.execute(ErrorProneCompiler.java:25)	at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.delegateAndHandleErrors(NormalizingJavaCompiler.java:104)	at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:53)	at org.gradle.api.internal.tasks.compile.NormalizingJavaCompiler.execute(NormalizingJavaCompiler.java:38)	at org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:35)	at org.gradle.api.internal.tasks.compile.CleaningJavaCompilerSupport.execute(CleaningJavaCompilerSupport.java:25)	at org.gradle.api.tasks.compile.JavaCompile.performCompilation(JavaCompile.java:163)	at org.gradle.api.tasks.compile.JavaCompile.compile(JavaCompile.java:145)	at org.gradle.api.tasks.compile.JavaCompile.compile(JavaCompile.java:93)	at com.android.build.gradle.tasks.factory.AndroidJavaCompile.compile(AndroidJavaCompile.java:49)	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)	at java.lang.reflect.Method.invoke(Method.java:498)	at org.gradle.internal.reflect.JavaMethod.invoke(JavaMethod.java:75)	at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$IncrementalTaskAction.doExecute(AnnotationProcessingTaskFactory.java:245)	at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:221)	at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$IncrementalTaskAction.execute(AnnotationProcessingTaskFactory.java:232)	at org.gradle.api.internal.project.taskfactory.AnnotationProcessingTaskFactory$StandardTaskAction.execute(AnnotationProcessingTaskFactory.java:210)	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeAction(ExecuteActionsTaskExecuter.java:80)	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.executeActions(ExecuteActionsTaskExecuter.java:61)	at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.execute(ExecuteActionsTaskExecuter.java:46)	at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExecuter.execute(PostExecutionAnalysisTaskExecuter.java:35)	at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.execute(SkipUpToDateTaskExecuter.java:68)	at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execute(ValidatingTaskExecuter.java:58)	at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecuter.execute(SkipEmptySourceFilesTaskExecuter.java:52)	at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter.execute(SkipTaskWithNoActionsExecuter.java:52)	at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execute(SkipOnlyIfTaskExecuter.java:53)	at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter.execute(ExecuteAtMostOnceTaskExecuter.java:43)	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:203)	at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTaskWorker.execute(DefaultTaskGraphExecuter.java:185)	at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.processTask(AbstractTaskPlanExecutor.java:66)	at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorWorker.run(AbstractTaskPlanExecutor.java:50)	at org.gradle.internal.concurrent.ExecutorPolicy$CatchAndRecordFailures.onExecute(ExecutorPolicy.java:54)	at org.gradle.internal.concurrent.StoppableExecutorImpl$1.run(StoppableExecutorImpl.java:40)	at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1142)	at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:617)	at java.lang.Thread.run(Thread.java:745)