code: @Override
    public FlowConfig get(ComplexResourceKey<FlowId, EmptyRecord> key) {
      String flowGroup = key.getKey().getFlowGroup();
      String flowName = key.getKey().getFlowName();
      FlowId flowId = new FlowId().setFlowGroup(flowGroup).setFlowName(flowName);
      return this.flowConfigsResourceHandler.getFlowConfig(flowId);
    }
docs: Retrieve the flow configuration with the given key
  @param key flow config id key containing group name and flow name
  @return {@link FlowConfig} with flow configuration