/**
 * Which completed attempt an Employee node continues from, if any.
 *
 * A rework round is its own node, so it dispatches a brand new session that
 * re-reads everything its predecessor already knows. `continueFrom` names the
 * node whose engine session it should pick up instead. Two places to look, in
 * order: this run — the ordinary rework case — then the newest earlier run of
 * the same Workflow for the same Todo, which is the re-arm case.
 */
import type { EmployeeNode } from './model.js';
import type { WorkflowRepository } from './repository.js';
import type { WorkflowRunDetail } from './runtime.js';
export interface EmployeeContinuationOptions {
    repository: Pick<WorkflowRepository, 'findContinuationAttempt'>;
    /** Null for any candidate that cannot actually be resumed on `engine`. */
    resumableEngineSession: (sessionId: string, engine: string) => string | null;
}
/** The prompt an attempt is dispatched with: the delta when it continues something, the node's own brief when it starts cold. */
export declare function continuationPrompt(node: EmployeeNode, continued: boolean): string;
/**
 * Resolve the engine session this attempt continues, or null to dispatch cold.
 * Null is a normal outcome — the first round of a run has nothing to continue —
 * so it is reported at info level rather than raised.
 */
export declare function resolveEmployeeContinuation(run: WorkflowRunDetail, node: EmployeeNode, engine: string, options: EmployeeContinuationOptions): {
    sessionId: string;
    engineSessionId: string;
} | null;
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