import { type BaseCallbackConfig, CallbackManager } from "../callbacks/manager.js";
export declare const DEFAULT_RECURSION_LIMIT = 25;
export interface RunnableConfig extends BaseCallbackConfig {
    /**
     * Runtime values for attributes previously made configurable on this Runnable,
     * or sub-Runnables.
     */
    configurable?: Record<string, any>;
    /**
     * Maximum number of times a call can recurse. If not provided, defaults to 25.
     */
    recursionLimit?: number;
    /** Maximum number of parallel calls to make. */
    maxConcurrency?: number;
}
export declare function getCallbackManagerForConfig(config?: RunnableConfig): Promise<CallbackManager | undefined>;
export declare function mergeConfigs<CallOptions extends RunnableConfig>(...configs: (CallOptions | RunnableConfig | undefined | null)[]): Partial<CallOptions>;
/**
 * Ensure that a passed config is an object with all required keys present.
 *
 * Note: To make sure async local storage loading works correctly, this
 * should not be called with a default or prepopulated config argument.
 */
export declare function ensureConfig<CallOptions extends RunnableConfig>(config?: CallOptions): CallOptions;
/**
 * Helper function that patches runnable configs with updated properties.
 */
export declare function patchConfig<CallOptions extends RunnableConfig>(config?: Partial<CallOptions>, { callbacks, maxConcurrency, recursionLimit, runName, configurable, runId, }?: RunnableConfig): Partial<CallOptions>;