import type { ProviderRegistry } from '../provider-registry.js';
export declare function pickPriorityGroup(opts: {
    candidates: string[];
    orderedTargets: string[];
    providerRegistry: ProviderRegistry;
    availabilityCheck: (key: string) => boolean;
    penalties?: Record<string, number>;
}): {
    groupId: string;
    groupCandidates: string[];
} | null;
