import { Observable } from 'rxjs';
import { BaseDataPageFacade, SearchHandlerService } from 'verben-workflow-ui/src/lib/base';
import { Workflow, WorkflowOperation } from 'verben-workflow-ui/src/lib/models';
import { UtilService } from 'verben-workflow-ui/src/lib/services';
import { WorkflowsService } from './workflows.service';
import { WorkflowsState } from './workflows.state';
import * as i0 from "@angular/core";
/**
 * Facade for the workflows page.
 */
export declare class WorkflowFacade extends BaseDataPageFacade<Workflow> {
    private workflowService;
    constructor(state: WorkflowsState, service: WorkflowsService, searchHandler: SearchHandlerService, utilService: UtilService);
    get operations$(): Observable<WorkflowOperation[]>;
    loadOperations(): Promise<void>;
    /**
     * A brand-new workflow must go up with Id and Code blank: the backend rejects
     * a client-supplied Id, and the placeholder record carries a locally generated
     * one. Established records keep theirs so the save lands as an update.
     */
    protected withDataState(item: Workflow): Workflow;
    /**
     * Save the record currently open in the form, merged over whatever the form
     * did not edit. Insert vs update is decided from the presence of a Code — see
     * BaseDataPageFacade.withDataState.
     */
    save(edits: Partial<Workflow>): Promise<boolean>;
    /** Commit an inline table-row edit. Does not close the card form. */
    saveRow(row: Workflow, edits: Partial<Workflow>): Promise<boolean>;
    deleteWorkflow(code: string): Promise<boolean>;
    /**
     * Approve or reject a workflow via `WorkflowAction/{isApproval}`, which
     * returns the updated records rather than a paged result.
     */
    processWorkflow(workflow: Workflow, isApproval: boolean): Promise<boolean>;
    /** Prepend a blank workflow and open it in the form. */
    startCreate(): Workflow;
    private createEmpty;
    static ɵfac: i0.ɵɵFactoryDeclaration<WorkflowFacade, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<WorkflowFacade>;
}