export interface DAGNode {
    id: string;
    run: (inputs: Record<string, unknown>, signal: AbortSignal) => Promise<unknown>;
}
export interface DAGEdge {
    from: string;
    to: string;
}
export interface DAGGraph {
    nodes: DAGNode[];
    edges: DAGEdge[];
}
export interface DAGRunOptions {
    dagId?: string;
    failFast?: boolean;
    nodeTimeoutMs?: number;
    maxConcurrency?: number;
}
export interface DAGRunResult {
    outputs: Record<string, unknown>;
    failed: Array<{
        id: string;
        error: Error;
    }>;
    skipped: string[];
}
export declare function validateDAG(graph: DAGGraph): void;
export declare function runDAG(graph: DAGGraph, signal: AbortSignal, options?: DAGRunOptions): Promise<DAGRunResult>;