public static HpkeContextSender getInstance(String suite, Provider provider)
        throws NoSuchAlgorithmException, NoSuchProviderException {
        return new HpkeContextSender(findSpi(suite, provider));
    }
Returns an uninitialised HpkeContextSender from a specific {@link Provider}

@param suite the HPKE suite to use.  @see {@link HpkeSuite} for details.
@param provider the Provider to use
@return an uninitialised HpkeContextSender for the requested suite
@throws NoSuchAlgorithmException if no implementation could be found
@throws NoSuchProviderException if provider is null
common/src/main/java/org/conscrypt/HpkeContextSender.java