import type { ToolDefinition } from "@oh-my-pi/pi-coding-agent";
import type { AcpRuntime } from "./runtime.js";
/** Label shown for a block when the model did not pass a topic: first
 *  sentence-ish slice of the summary (≤30 chars). Decorative only — never
 *  blocks compression. */
declare const CompressParams: import("@oh-my-pi/omptype").FluentType<{
    content: {
        endId: string;
        startId: string;
        summary: string;
        topic?: string | undefined;
    }[];
    summaryMaxChars?: number | undefined;
    topic?: string | undefined;
}, {
    content: {
        endId: string;
        startId: string;
        summary: string;
        topic?: string | undefined;
    }[];
    summaryMaxChars?: number | undefined;
    topic?: string | undefined;
}>;
export declare function makeCompressTool(runtime: AcpRuntime): ToolDefinition<typeof CompressParams>;
export declare const LOOP_GUARD_STOP = 3;
export {};