private static StackTraceElement deserializeStackTraceElement(StackTraceElementProto proto) {
        return new StackTraceElement(
                proto.getClassName(),
                proto.getMethodName(),
                Strings.emptyToNull(proto.getFileName()),
                proto.getLineNumber());
    }
Returns the message attached to the original exception in the server.
grpc/src/main/java/com/linecorp/armeria/common/grpc/StatusCauseException.java