import type { Context, Model, Provider, Usage } from "@slopus/rig-execution";
import type { Context as RuntimeContext } from "@steve.kite/stdlib";
/**
 * What a provider gives back when it compacts a conversation.
 *
 * Native providers own the complete replacement context. A readable summary is optional and is
 * never synthesized by Rig.
 */
export interface ProviderCompaction {
    context: Context;
    summary?: string;
    usage: Usage;
}
export declare function requestProviderCompaction(ctx: RuntimeContext, options: {
    provider: Provider;
    model: Model;
    context: Context;
    signal?: AbortSignal;
    now: () => number;
}): Promise<ProviderCompaction>;