/**
 * Harness route aliases over a native-id PiAiAdapter.
 * @module dsh-coding-subscription-oauth/alias-adapter
 */
import type { GenerateOptions, LlmModelInfo, LlmProviderInfo, LlmResolvedModelInfo, ResolvedRetryPolicy, StreamChunk } from "@deepseek-ai/dsh-llm";
import { LlmAdapter } from "@deepseek-ai/dsh-llm";
import { type PoolPick } from "./quota-pool.js";
export interface AliasLlmRoutePolicy {
    /** User-facing provider name shown above models in the model selector. */
    displayName?: string;
    /** Return false to hide every model for this route from discovery. */
    isAuthenticated?: () => Promise<boolean>;
    /**
     * After authentication, keep only models this predicate accepts.
     * Used by opt-in routes (e.g. Codex Fast) so ineligible ids stay hidden
     * without hiding the whole authenticated catalog.
     */
    includeModel?: (modelId: string) => boolean;
    /**
     * Called once when a stream for this route finishes with an AUTH failure
     * (upstream rejected a locally-valid token). Implementations backdate the
     * stored credential's expiry so the retried step refreshes before reuse.
     * Awaiting it here keeps invalidation ordered before the retry executor
     * reruns the step; failures are swallowed so the original AUTH surfaces.
     */
    onAuthFailure?: () => Promise<void>;
}
/**
 * Optional multi-account pool hooks. When candidates are returned (≥2), the
 * adapter tries each account until the first stream chunk, then sticks.
 */
export interface AliasLlmPoolHooks {
    /** Native provider id used by CredentialStore / sticky keys. */
    nativeProviderId(route: string): string | undefined;
    candidates(nativeProviderId: string, sessionId: string | undefined): Promise<PoolPick[]>;
    remember(nativeProviderId: string, sessionId: string | undefined, accountId: string): void;
}
export declare function normalizeReplayForRoute(message: GenerateOptions["messages"][number], route: string, nativeReplayProvider: string): GenerateOptions["messages"][number];
/**
 * Keeps pi-ai model.provider identities native while exposing collision-free
 * Harness route names. Every public operation translates exactly once.
 */
export declare class AliasLlmAdapter extends LlmAdapter {
    private readonly inner;
    private readonly aliases;
    private readonly policies;
    private readonly replayProviders;
    private readonly pool;
    constructor(inner: LlmAdapter, aliases: ReadonlyMap<string, string>, policies?: ReadonlyMap<string, AliasLlmRoutePolicy>, replayProviders?: ReadonlyMap<string, string>, pool?: AliasLlmPoolHooks | undefined);
    private nativeProvider;
    providerInfo(provider: string): LlmProviderInfo;
    providerRetryPolicy(provider: string): ResolvedRetryPolicy | undefined;
    listModels(provider: string): Promise<readonly LlmModelInfo[]>;
    resolveModel(provider: string, model: string, signal?: AbortSignal): Promise<LlmResolvedModelInfo>;
    stream(options: GenerateOptions): AsyncIterable<StreamChunk>;
    private streamOne;
}
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