/** Provider transports use fixed HTTPS endpoints; credentials never enter URLs or errors. */
import type { Complete } from "./interviewer.js";
export type ModelProvider = "anthropic" | "openai" | "gemini";
export interface ModelConfig {
    provider: ModelProvider;
    model: string;
}
export declare const DEFAULT_MODELS: Record<ModelProvider, string>;
export declare class ModelConnectionError extends Error {
}
export declare function normalizeModelConfig(options?: {
    provider?: unknown;
    model?: unknown;
}): ModelConfig;
/** One interview turn is a reply plus its suggestion cards. Every provider gets the same room for it;
 *  Anthropic asked for 1400 from the single-provider days, which truncated ordinary answers. */
export declare const REPLY_BUDGET = 4096;
export declare const byKey: (key: string, options?: {
    provider?: unknown;
    model?: unknown;
}) => Complete;
export declare function testModelConnection(key: string, options?: {
    provider?: unknown;
    model?: unknown;
}): Promise<ModelConfig>;