code: @Override
    public UpdateResponse delete(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.deleteFlowConfig(flowId, getHeaders());
    }
docs: Delete a configured flow. Running flows are not affected. The schedule will be removed for scheduled flows.
  @param key composite key containing flow group and flow name that identifies the flow to remove from the flow catalog
  @return {@link UpdateResponse}