@Override
        public String toString() {
            return "IncludeWhenPrivateCallCredentials [callCredentials=" + this.callCredentials + "]";
        }
A call credentials implementation with increased security requirements. It ensures that the credentials and
requests aren't send via an insecure connection. This wrapper does not have any other influence on the security
of the underlying {@link CallCredentials} implementation.
grpc-client-spring-boot-starter/src/main/java/net/devh/boot/grpc/client/security/CallCredentialsHelper.java