code: private JCBlock makeLambdaBody(JCLambda tree, JCMethodDecl lambdaMethodDecl) {
          return tree.getBodyKind() == JCLambda.BodyKind.EXPRESSION ?
                  makeLambdaExpressionBody((JCExpression)tree.body, lambdaMethodDecl) :
                  makeLambdaStatementBody((JCBlock)tree.body, lambdaMethodDecl, tree.canCompleteNormally);
      }
docs: <editor-fold defaultstate="collapsed" desc="Translation helper methods">