| #include "quiche/balsa/balsa_headers_sequence.h" | 
 |  | 
 | #include <memory> | 
 | #include <utility> | 
 |  | 
 | #include "quiche/balsa/balsa_headers.h" | 
 |  | 
 | namespace quiche { | 
 |  | 
 | void BalsaHeadersSequence::Append(std::unique_ptr<BalsaHeaders> headers) { | 
 |   sequence_.push_back(std::move(headers)); | 
 | } | 
 |  | 
 | bool BalsaHeadersSequence::HasNext() const { return next_ < sequence_.size(); } | 
 |  | 
 | BalsaHeaders* BalsaHeadersSequence::PeekNext() { | 
 |   if (!HasNext()) { | 
 |     return nullptr; | 
 |   } | 
 |   return sequence_[next_].get(); | 
 | } | 
 |  | 
 | BalsaHeaders* BalsaHeadersSequence::Next() { | 
 |   if (!HasNext()) { | 
 |     return nullptr; | 
 |   } | 
 |   return sequence_[next_++].get(); | 
 | } | 
 |  | 
 | void BalsaHeadersSequence::Clear() { | 
 |   sequence_.clear(); | 
 |   next_ = 0; | 
 | } | 
 |  | 
 | }  // namespace quiche |