public Builder withFallbackResolver(final Function<Class<?>, TypeSerializer<?>> fallbackResolver) {
            this.fallbackResolver = fallbackResolver;
            return this;
        }
Provides a way to resolve the type serializer to use when there isn't any direct match.
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/structure/io/binary/TypeSerializerRegistry.java