@Override
    public SSLSessionContext engineGetServerSessionContext() {
        return serverSessionContext;
    }
Initializes this {@code SSLContext} instance. All of the arguments are
optional, and the security providers will be searched for the required
implementations of the needed algorithms.

@param kms the key sources or {@code null}
@param tms the trust decision sources or {@code null}
@param sr the randomness source or {@code null}
@throws KeyManagementException if initializing this instance fails
common/src/main/java/org/conscrypt/OpenSSLContextImpl.java