import type { Graph } from 'graphlib';
import type { Task, ExecutionResult } from '../types/index.js';
export declare class FailureHandler {
    cancelDependentTasks(failedTaskIds: string[], tasks: Task[], graph: Graph): string[];
    private getAllDependents;
    createCancelledResults(cancelledTaskIds: string[], tasks: Task[]): ExecutionResult[];
    handleFailures(results: ExecutionResult[], tasks: Task[], graph: Graph): ExecutionResult[];
    canExecute(taskId: string, graph: Graph, completedTasks: Set<string>, failedTasks: Set<string>): boolean;
    getFailureSummary(results: ExecutionResult[]): {
        failedCount: number;
        cancelledCount: number;
        failedTasks: string[];
        cancelledTasks: string[];
        totalImpact: number;
    };
}
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