checkstyle.xml

<?xml version="1.0"?>
<!DOCTYPE module PUBLIC
"-//Puppy Crawl//DTD Check Configuration 1.2//EN"
"http://www.puppycrawl.com/dtds/configuration_1_2.dtd">

<module name="Checker">
  <module name="NewlineAtEndOfFile" />
  <module name="OrderedProperties" />
  <module name="FileTabCharacter" />
  <module name="Header">
    <property name="header"
      value="/*\nCopyright Amazon.com, Inc. or its affiliates. All Rights Reserved.\nSPDX-License-Identifier: Apache-2.0\n*/\n"/>
  </module>
  <module name="FileTabCharacter"/>
  <module name="TreeWalker">
    <module name="UnusedImports"/>
    <module name="NeedBraces"/>
    <module name="EqualsHashCode"/>
    <module name="EmptyStatement"/>
    <module name="EqualsAvoidNull"/>
    <module name="MissingSwitchDefault"/>
    <module name="MultipleVariableDeclarations"/>
    <module name="OneStatementPerLine"/>
    <module name="RedundantImport"/>
    <module name="AvoidStarImport"/>
    <module name="DefaultComesLast"/>
    <module name="SuppressWarningsHolder" />
    <module name="EmptyForInitializerPad" />
    <module name="GenericWhitespace" />
    <module name="MethodParamPad" />
    <module name="NoLineWrap" />
    <module name="NoWhitespaceAfter" />
    <module name="NoWhitespaceBefore" />
    <module name="NoWhitespaceBeforeCaseDefaultColon" />
    <module name="OperatorWrap" />
    <module name="ParenPad" />
    <module name="SeparatorWrap" />
    <module name="SingleSpaceSeparator" />
    <module name="TypecastParenPad" />
    <module name="WhitespaceAfter" />
    <module name="WhitespaceAround" />
    <module name="AvoidNestedBlocks" />
    <module name="EmptyBlock" />
    <module name="EmptyCatchBlock" />
    <module name="LeftCurly" />
    <module name="NeedBraces" />
    <module name="RightCurly" />
    <module name="InnerTypeLast" />
    <module name="MutableException" />
    <module name="OneTopLevelClass" />
    <module name="ThrowsCount" />

    <module name="AvoidNoArgumentSuperConstructorCall" />
    <module name="CovariantEquals" />
    <module name="DeclarationOrder" />
    <module name="DefaultComesLast" />
    <module name="EmptyStatement" />
    <module name="EqualsAvoidNull" />
    <module name="EqualsHashCode" />
    <module name="FallThrough" />
    <module name="IllegalInstantiation" />
    <module name="IllegalToken" />
    <module name="IllegalTokenText" />
    <module name="IllegalType" />
    <module name="InnerAssignment" />
    <module name="MatchXpath" />
    <module name="MissingSwitchDefault" />
    <module name="ModifiedControlVariable" />
    <module name="MultipleVariableDeclarations" />
    <module name="NestedForDepth" />
    <module name="NestedTryDepth" />
    <module name="NoArrayTrailingComma" />
    <module name="NoClone" />
    <module name="NoEnumTrailingComma" />
    <module name="NoFinalizer" />
    <module name="OneStatementPerLine" />
    <module name="OverloadMethodsDeclarationOrder" />
    <module name="PackageDeclaration" />
    <module name="ParameterAssignment" />
    <module name="RequireThis" />
    <module name="SimplifyBooleanExpression" />
    <module name="SimplifyBooleanReturn" />
    <module name="StringLiteralEquality" />
    <module name="SuperClone" />
    <module name="SuperFinalize" />
    <module name="UnnecessarySemicolonAfterOuterTypeDeclaration" />
    <module name="UnnecessarySemicolonAfterTypeMemberDeclaration" />
    <module name="UnnecessarySemicolonInEnumeration" />
    <module name="UnnecessarySemicolonInTryWithResources" />
    <module name="VariableDeclarationUsageDistance" />

    <module name="ImportOrder" />
    <module name="RedundantImport" />
    <module name="UnusedImports" />

    <module name="ArrayTypeStyle" />
    <module name="AvoidEscapedUnicodeCharacters" />
    <module name="CommentsIndentation" />
    <module name="DescendantToken" />
    <module name="Indentation" />
    <module name="NoCodeInFile" />
    <module name="OuterTypeFilename" />
    <module name="TodoComment" />
    <module name="TrailingComment" />
    <module name="UpperEll" />

    <module name="LambdaBodyLength" />
    <module name="MethodCount" />
    <module name="MethodLength" />
    <module name="OuterTypeNumber" />
    <module name="RecordComponentNumber" />
  </module>

  <module name="SuppressWarningsFilter" />
</module>