import { type CinemaQueueCompatibilityReceiptArtifact, type CinemaQueueCompatibilityStatus } from './cinema-queue-compatibility.js';
interface ChainPolicy {
    kind: 'chain' | 'image-only';
    sourceSceneIndex?: number;
}
export interface CinemaChainFallbackTransition {
    transitionId: string;
    sourceTaskId: string;
    fromPolicyIndex: number;
    activePolicyIndex: number;
    fromPolicy: ChainPolicy;
    activePolicy: ChainPolicy;
    cancelledTaskIds: string[];
    replacementTaskIds: string[];
    receipt: CinemaQueueCompatibilityReceiptArtifact;
    receiptPath: string;
    status: CinemaQueueCompatibilityStatus;
    providerCalls: 0;
    generationCalls: 0;
    spendAuthorized: false;
}
/**
 * Advance one failed durable auto-chain task to exactly the next declared
 * source-policy rung. The failed attempt remains immutable. Any untouched
 * blocked descendants are cancelled and recreated against the replacement
 * dependency, so no tail can remain attached to the dead-letter task.
 *
 * This function performs no provider call and carries no prior authorization:
 * every replacement provider task must receive a fresh exact quote/approval.
 */
export declare function advanceCinemaChainFallback(root: string, projectSlug: string, sourceTaskId: string): Promise<CinemaChainFallbackTransition>;
export {};
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