/**
 * A fallback entry names which providers can serve a model.
 * The resolution pipeline iterates entries and picks the first
 * whose `providers` list intersects with the connected providers.
 */
export type FallbackEntry = {
    providers: string[];
    model: string;
    variant?: string;
};
/**
 * Per-agent fallback chains. Each entry lists the providers that
 * serve the model — resolution picks the first connected match.
 */
export declare const AGENT_FALLBACK_CHAINS: Record<string, FallbackEntry[]>;
export declare function getFallbackChain(agentName: string): FallbackEntry[];
/**
 * Per-category fallback chains for task delegation.
 */
export declare const CATEGORY_FALLBACK_CHAINS: Record<string, FallbackEntry[]>;
export declare function getCategoryFallbackChain(categoryName: string): FallbackEntry[];