beginCompilationUnit(f)
  beginMetadataStar(f)
  endMetadataStar(0)
  beginTopLevelMember(f)
    beginTopLevelMethod(, null, null)
      handleNoType()
      handleIdentifier(f, topLevelFunctionDeclaration)
      handleNoTypeVariables(()
      beginFormalParameters((, MemberKind.TopLevelMethod)
      endFormalParameters(0, (, ), MemberKind.TopLevelMethod)
      handleAsyncModifier(null, null)
      beginSwitchExpression(switch)
        handleNoTypeVariables(()
        beginFunctionExpression(()
          beginFormalParameters((, MemberKind.Local)
          endFormalParameters(0, (, ), MemberKind.Local)
          handleAsyncModifier(null, null)
          handleLiteralInt(0)
          handleExpressionFunctionBody(=>, null)
        endFunctionExpression((, ))
        handleParenthesizedCondition((, null, null)
        beginSwitchExpressionBlock({)
        endSwitchExpressionBlock(0, {, })
      endSwitchExpression(switch, })
      handleExpressionFunctionBody(=>, ;)
    endTopLevelMethod(f, null, ;)
  endTopLevelDeclaration()
endCompilationUnit(1, )