import type { SessionInbox, SessionInboxEntry } from './session-inbox.js';
export interface ProviderTurnResult {
    readonly continue: boolean;
}
export type ProviderTurn = (promoted: readonly SessionInboxEntry[], turnIndex: number) => Promise<ProviderTurnResult>;
export interface SessionDrainResult {
    readonly turns: number;
    readonly promoted: readonly string[];
    readonly stoppedAtLimit: boolean;
}
export interface SessionDrainInput {
    readonly inbox: SessionInbox;
    readonly runTurn: ProviderTurn;
    readonly maxTurns?: number;
}
export declare function runSessionDrain(input: SessionDrainInput): Promise<SessionDrainResult>;
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