public Resource getCertificateChain() {
            return this.certificateChain;
        }
Gets the resource containing the SSL certificate chain.

@return The certificate chain resource or null, if security is not enabled.
@see #setCertificateChain(Resource)
grpc-client-spring-boot-starter/src/main/java/net/devh/boot/grpc/client/config/GrpcChannelProperties.java