public void setCertificateChain(final Resource certificateChain) {
            this.certificateChain = certificateChain;
        }
Sets the resource containing the SSL certificate chain. Required if {@link #isClientAuthEnabled()} is true.
The linked certificate will be used to authenticate the client.

@param certificateChain The certificate chain.

@see SslContextBuilder#keyManager(InputStream, InputStream, String)
grpc-client-spring-boot-starter/src/main/java/net/devh/boot/grpc/client/config/GrpcChannelProperties.java