/**
 * AgentGuard(TM) Spend: OpenRouter catalog sync.
 *
 * OpenRouter requests go directly from the customer runtime to openrouter.ai.
 * AgentGuard infrastructure does not receive prompts, completions, keys,
 * policy files, or pricing overrides.
 *
 * Patent notice: Protected by U.S. patent-pending technology
 * (App. Nos. 63/983,615; 63/983,621; 63/983,843; 63/984,626;
 * 64/071,781; 64/071,789).
 */
import { type ModelCost } from './cost-table';
export interface OpenRouterPricing {
    prompt?: string;
    completion?: string;
    image?: string;
    request?: string;
}
export interface OpenRouterModel {
    id: string;
    name?: string;
    context_length?: number;
    pricing?: OpenRouterPricing;
    architecture?: {
        modality?: string;
        tokenizer?: string;
        instruct_type?: string | null;
    };
    top_provider?: {
        context_length?: number;
        max_completion_tokens?: number | null;
        is_moderated?: boolean;
    };
    per_request_limits?: Record<string, unknown> | null;
    [key: string]: unknown;
}
export interface OpenRouterCatalog {
    data: OpenRouterModel[];
    fetchedAt?: string;
}
export interface FetchCatalogOptions {
    ttlMs?: number;
    force?: boolean;
    endpoint?: string;
    cachePath?: string;
}
export interface SyncPricingResult {
    count: number;
    applied: string[];
}
export declare function fetchCatalog(opts?: FetchCatalogOptions): Promise<OpenRouterCatalog>;
export declare function getCachedCatalog(cachePath?: string): OpenRouterCatalog | null;
export declare function syncPricingIntoCostTable(opts?: FetchCatalogOptions): Promise<SyncPricingResult>;
export declare function persistOverrides(filePath?: string): void;
export declare function modelCostFromOpenRouter(model: OpenRouterModel): ModelCost | null;
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