docs: public CreateUserPoolClientRequest withExplicitAuthFlows(ExplicitAuthFlowsType... explicitAuthFlows) {
          java.util.ArrayList<String> explicitAuthFlowsCopy = new java.util.ArrayList<String>(explicitAuthFlows.length);
          for (ExplicitAuthFlowsType value : explicitAuthFlows) {
              explicitAuthFlowsCopy.add(value.toString());
          }
          if (getExplicitAuthFlows() == null) {
              setExplicitAuthFlows(explicitAuthFlowsCopy);
          } else {
              getExplicitAuthFlows().addAll(explicitAuthFlowsCopy);
          }
          return this;
      }