import type { Context } from '@deepseek-ai/cordis';
import type { Agent } from '@deepseek-ai/dsh-agent';
import type { CommandResult } from '@deepseek-ai/dsh-commands';
import type { CompactionResult } from '@deepseek-ai/dsh-compaction';
import type { JobRegistry } from '@deepseek-ai/dsh-jobs';
import type { SessionId } from '@deepseek-ai/dsh-session';
declare module '@deepseek-ai/dsh-jobs/view' {
    interface JobKindMap {
        'copilot-compaction': 'copilot-compaction';
    }
}
type Jobs = Pick<JobRegistry, 'start' | 'get' | 'wait' | 'kill'>;
type Result = Pick<CompactionResult, 'shadowedSeqs' | 'shadowedTokenCount'> | null;
/** Own only admission and job lifetime; the selected engine owns all history transactions. */
export declare class BackgroundCompaction<A extends {
    readonly id: SessionId;
}> {
    private readonly jobs;
    private readonly compact;
    private readonly warn;
    private readonly latest;
    private readonly active;
    private closed;
    constructor(jobs: Jobs, compact: (agent: A, signal: AbortSignal, visibleHistory: boolean) => Promise<Result>, warn: (message: string) => void);
    execute(agent: A, rawInput: string, signal: AbortSignal): CommandResult;
    dispose(): Promise<void>;
}
export declare function installBackgroundCompaction(ctx: Context, compact: (agent: Agent, signal: AbortSignal, visibleHistory: boolean) => Promise<CompactionResult | null>): void;
export {};
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