private static String generateConditionVar(@NotNull StringBuilder builder,
                                             @NotNull ExpressionContext context,
                                             @NotNull GrExpression condition) {
    StringBuilder conditionBuilder = new StringBuilder();
    final PsiType type = condition.getType();
    final String varName = GenerationUtil.validateName("switchArg", condition, context);
    conditionBuilder.append("final ");
    TypeWriter.writeType(conditionBuilder, type, condition);
    conditionBuilder.append(' ').append(varName).append(" = ");
    condition.accept(new ExpressionGenerator(conditionBuilder, context));
    conditionBuilder.append(";\n");
    GenerationUtil.insertStatementFromContextBefore(builder, context);
    builder.append(conditionBuilder);
    return varName;
  }
private static String generateConditionVar(@NotNull StringBuilder builder,
                                             @NotNull ExpressionContext context,
                                             @NotNull GrExpression condition)