def emit_body(body = body())
      unless body
        buffer.indent
        nl
        buffer.unindent
        return
      end
      visit_indented(body)
    end
def emit_body(body = body())
      unless body
        buffer.indent
        nl
        buffer.unindent
        return
      end
      visit_indented(body)
    end
Emit non nil body

 @param [Parser::AST::Node] node

 @return [undefined]

 @api private

 rubocop:disable MethodCallWithoutArgsParentheses