import type { JsonObject, ModelConfig } from "@arnilo/prism";
export interface OpenRouterModelConfig extends Omit<ModelConfig, "provider" | "compat"> {
    readonly provider?: "openrouter";
    readonly compat?: JsonObject & {
        readonly openRouterRouting?: JsonObject;
        readonly openRouterCache?: boolean;
        /** Official OpenRouter `reasoning` object (`effort`, `max_tokens`, `exclude`, …). */
        readonly reasoning?: JsonObject;
        /** Replay assistant thinking as body `reasoning` (tool-call continuity). */
        readonly preserveThinking?: boolean;
    };
}
export declare function defineOpenRouterModel(config: OpenRouterModelConfig): ModelConfig;