export interface ConcurrencyConfig {
    defaultConcurrency?: number;
    providerConcurrency?: Record<string, number>;
    modelConcurrency?: Record<string, number>;
}
export declare function extractProvider(model: string): string;
export declare class ConcurrencyPool {
    private global;
    private providers;
    private models;
    private config;
    constructor(config: ConcurrencyConfig);
    run<T>(model: string, fn: () => Promise<T>): Promise<T>;
}