import type { Message } from '../session/session-jsonl.js';
import type { MiniAgentEvent } from '../subagent/agent-events.js';
export interface PerTurnContextMgmtParams {
    currentMessages: Message[];
    estPromptTokens: number;
    effectiveContextWindowTokens: number;
    pendingToolResultFollowUp: boolean;
    turns: number;
    push: (event: MiniAgentEvent) => void;
}
export interface PerTurnContextMgmtResult {
    savedChars: number;
    savedTokens?: number;
}
export declare function runPerTurnContextManagement(params: PerTurnContextMgmtParams): PerTurnContextMgmtResult;
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