import { BaseDataPageService, FilterHandlerService, SortHandlerService } from 'verben-workflow-ui/src/lib/base';
import { ErrorResponse, FormEntity, Tag, Workflow, WorkflowOperation } from 'verben-workflow-ui/src/lib/models';
import { HttpWebRequestService } from 'verben-workflow-ui/src/lib/services';
import { WorkflowApiService } from './workflows.api';
import * as i0 from "@angular/core";
/**
 * Service for workflow API operations.
 *
 * `GetWorkflows`, `GetWorkflowsWithParam` and `SaveWorkflows` follow the base's
 * conventions for endpoint `Workflows`. Two do not, and are overridden below:
 * the search endpoint is **singular** (`SearchWorkflow`), and delete takes a
 * query string rather than a path segment.
 */
export declare class WorkflowsService extends BaseDataPageService<Workflow> {
    private api;
    constructor(server: HttpWebRequestService, filterHandler: FilterHandlerService, sortHandler: SortHandlerService, api: WorkflowApiService);
    getEndpoint(): string;
    /** Singular, unlike every other workflow endpoint. */
    protected filterSearchUrl(skip: number, limit: number, sortParam: string, sortOrder: string): string;
    /** Query string, not a path segment. */
    protected deleteUrl(itemIds: string[]): string;
    /**
     * Approve or reject workflows. Distinct from save: it posts to
     * `WorkflowAction/{isApproval}` and returns the updated records.
     */
    processWorkflows(requests: Workflow[], isApproval: boolean): Promise<Workflow[] | ErrorResponse>;
    getOperations(): Promise<WorkflowOperation[]>;
    getForms(): Promise<FormEntity[]>;
    getTags(): Promise<Tag[]>;
    static ɵfac: i0.ɵɵFactoryDeclaration<WorkflowsService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<WorkflowsService>;
}