/** Best-effort, preemptible standing-prefix warmup for loopback OpenAI-compatible models. */
import type { AgentTool, StreamFn } from "@caupulican/pi-agent-core/types";
import type { Api, Model, SimpleStreamOptions } from "@caupulican/pi-ai";
import type { RequestAuth } from "./request-auth.ts";
export interface LocalPrefixWarmControllerDeps {
    getStreamFn(): StreamFn;
    getTools(): AgentTool[];
    getSystemPrompt(): string;
    getRequestHooks(): Pick<SimpleStreamOptions, "onPayload" | "onResponse">;
    isRawStreamSimple(streamFn: StreamFn): boolean;
    getRequiredRequestAuth(model: Model<Api>): Promise<RequestAuth>;
    ensureManagedModelReady(model: Model<Api>): Promise<void>;
}
export declare function isWarmableLocalModel(model: Model<Api>): boolean;
export declare class LocalPrefixWarmController {
    private readonly deps;
    private active;
    private readonly completed;
    constructor(deps: LocalPrefixWarmControllerDeps);
    schedule(model: Model<Api> | undefined): void;
    cancel(): void;
    private run;
}
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