public default TraversalSource withComputer(final Class<? extends GraphComputer> graphComputerClass) {
        return this.withStrategies(new VertexProgramStrategy(Computer.compute(graphComputerClass)));
    }
Add a {@link GraphComputer} class used to execute the traversal.
This adds a {@link VertexProgramStrategy} to the strategies.

@param graphComputerClass the graph computer class
@return a new traversal source with updated strategies
gremlin-core/src/main/java/org/apache/tinkerpop/gremlin/process/traversal/TraversalSource.java