import { Logger } from '@nestjs/common';
import { Model } from 'mongoose';
import { WorkflowRun } from '../schemas/workflow-run.schema';
export declare class WorkflowErrorHandler {
    private readonly logger;
    private readonly workflowRunModel;
    constructor(logger: Logger, workflowRunModel: Model<WorkflowRun<string>>);
    handleFatalError(workflowId: string, workflowName: string, error: unknown, context?: string): Promise<void>;
    handleNonFatalError(operation: string, error: unknown): void;
    handleWorkflowNotFound(workflowId: string, workflowName: string, availableWorkflows: string[]): void;
    handleTaskNotFound<T extends string>(workflowId: string, workflowName: string, taskName: T, availableTasks: T[]): void;
}
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