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 IsWorkflowHasNotCompletedReuests(id:number): Observable<GeneralResponse<boolean>>
 DeleteWorkflow(id:number): Observable<GeneralResponse<boolean>> 
 GetWorkflows(): Observable<GeneralResponse<Workflow[]>>
 GetWorkflowById(id:number): Observable<GeneralResponse<WorkflowDetails>>
 AddWorkflow(body:WorkflowDetails): Observable<GeneralResponse<boolean>>
 UpdateWorkflow(body:WorkflowDetails): Observable<GeneralResponse<boolean>>