private function parseOptionalTraitAdaptation(\PDepend\Source\AST\ASTTraitUseStatement $useStatement) { $this->consumeComments(); if (Tokens::T_CURLY_BRACE_OPEN === $this->tokenizer->peek()) { $useStatement->addChild($this->parseTraitAdaptation()); } else { $this->consumeToken(Tokens::T_SEMICOLON); } return $useStatement; }