import type { ExtensionContext } from "agent-sh/types";
import type { MultiSessionStore } from "./multi-session-store.js";
import type { Capture } from "./capture.js";
import type { AgentShMessage as AgentMessage } from "agent-sh/session-store";
export declare function pickBudget(opts: {
    force?: boolean;
    target?: number;
} | undefined): number;
export declare function registerCompaction(ctx: ExtensionContext, getStore: () => MultiSessionStore, capture: Capture): void;
export declare function findCutPoint(messages: AgentMessage[], tokenBudget: number): number;
export declare function isSafeCutPoint(messages: AgentMessage[], idx: number): boolean;
export declare function estimateMessageTokens(m: AgentMessage): number;