question: returns the connection 's tls version or null if the connection does n't use ssl . concode_field_sep String path concode_elem_sep Headers headers concode_elem_sep List<Integer> chunkSizes concode_elem_sep int sequenceNumber concode_elem_sep String method concode_elem_sep TlsVersion tlsVersion concode_elem_sep long bodySize concode_elem_sep String requestLine concode_elem_sep Buffer body concode_field_sep String getUtf8Body concode_elem_sep String getRequestLine concode_elem_sep int getSequenceNumber concode_elem_sep Headers getHeaders concode_elem_sep Buffer getBody concode_elem_sep String getPath concode_elem_sep String toString concode_elem_sep String getMethod concode_elem_sep List<Integer> getChunkSizes concode_elem_sep String getHeader concode_elem_sep long getBodySize
target: TlsVersion function ( ) { return tlsVersion ; }