code: public static <TExpression> Bson graphLookup(final String from, final TExpression startWith, final String connectFromField,
                                                   final String connectToField, final String as) {
          return graphLookup(from, startWith, connectFromField, connectToField, as, new GraphLookupOptions());
      }
docs: Creates a graphLookup pipeline stage for the specified filter
  
  @param <TExpression>     the expression type
  @param from             the collection to query
  @param startWith        the expression to start the graph lookup with
  @param connectFromField the from field
  @param connectToField   the to field
  @param as               name of field in output document
  @return the $graphLookup pipeline stage
  @mongodb.driver.manual reference/operator/aggregation/graphLookup/ $graphLookup
  @mongodb.server.release 3.4
  @since 3.4