@Override
    public T read(final Buffer buffer, final GraphBinaryReader context) throws IOException {
        // No {type_info}, just {value_flag}{value}
        return readValue(buffer, context, true);
    }
Base class for serialization of types that don't contain type specific information only {type_code}, {value_flag}
and {value}.
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/io/binary/types/SimpleTypeSerializer.java