import type { WorkflowAttemptRecord } from './runtime.js';
type WorkflowSqliteConnection = ConstructorParameters<typeof import('./repository.js').WorkflowRepository>[0];
export interface ContinuationAttemptQuery {
    workflowId: string;
    nodeId: string;
    /** The Todo this run is bound to. Runs bound to any other Todo — or to none —
     *  are invisible here, so a continuation can never cross Todos. */
    todoId: string;
    /** This run's own id and start. Only runs that began strictly before it are
     *  candidates: two runs of the same Workflow can be in flight on one Todo, and
     *  a run must never pick up a thread from one that started after it. */
    runId: string;
    runStartedAt: string;
}
/**
 * The newest completed attempt of `nodeId` from an EARLIER run of the same
 * Workflow for the same Todo. This is what lets a re-armed run pick up the
 * engine session its predecessor left behind instead of starting cold.
 */
export declare function readContinuationAttempt(db: WorkflowSqliteConnection, query: ContinuationAttemptQuery): WorkflowAttemptRecord | null;
export {};
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