httpcore5-h2/src/main/java/org/apache/hc/core5/http2/ssl/H2ClientTlsStrategy.java [118:144]:
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                    if (initializer != null) {
                        initializer.initialize(e, sslEngine);
                    }
                },
                verifier,
                handshakeTimeout,
                callback);
    }

    /**
     * @deprecated use {@link #upgrade(TransportSecurityLayer, NamedEndpoint, Object, Timeout, FutureCallback)}
     */
    @Deprecated
    @Override
    public boolean upgrade(
            final TransportSecurityLayer tlsSession,
            final HttpHost host,
            final SocketAddress localAddress,
            final SocketAddress remoteAddress,
            final Object attachment,
            final Timeout handshakeTimeout) {
        final String scheme = host != null ? host.getSchemeName() : null;
        if (URIScheme.HTTPS.same(scheme)) {
            upgrade(tlsSession, host, attachment, handshakeTimeout, null);
            return true;
        }
        return false;
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httpcore5/src/main/java/org/apache/hc/core5/http/nio/ssl/BasicClientTlsStrategy.java [117:143]:
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                    if (initializer != null) {
                        initializer.initialize(e, sslEngine);
                    }
                },
                verifier,
                handshakeTimeout,
                callback);
    }

    /**
     * @deprecated use {@link #upgrade(TransportSecurityLayer, NamedEndpoint, Object, Timeout, FutureCallback)}
     */
    @Deprecated
    @Override
    public boolean upgrade(
            final TransportSecurityLayer tlsSession,
            final HttpHost host,
            final SocketAddress localAddress,
            final SocketAddress remoteAddress,
            final Object attachment,
            final Timeout handshakeTimeout) {
        final String scheme = host != null ? host.getSchemeName() : null;
        if (URIScheme.HTTPS.same(scheme)) {
            upgrade(tlsSession, host, attachment, handshakeTimeout, null);
            return true;
        }
        return false;
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