toString
Returns the string used to identify this protocol for ALPN, like "http/1.1", "spdy/3.1" or "h2".
See also IANA tls-extensiontype-values.
Returns the string used to identify this protocol for ALPN, like "http/1.1", "spdy/3.1" or "h2".
See also IANA tls-extensiontype-values.