import { Causation } from './Causation.js';
import { CausationType } from './CausationType.js';
import { ICausationManager } from './ICausationManager.js';
/**
 * Implements {@link ICausationManager} using {@link AsyncLocalStorage} to scope the causation chain to the active async call context.
 */
export declare class CausationManager implements ICausationManager {
    private readonly _storage;
    private _root;
    /** @inheritdoc */
    get root(): Causation;
    /** @inheritdoc */
    getCurrentChain(): ReadonlyArray<Causation>;
    /** @inheritdoc */
    add(type: CausationType, properties: Record<string, string>): void;
    /** Runs an async or synchronous operation with an isolated, restored causation chain. */
    run<T>(callback: () => T): T;
    run<T>(type: CausationType, properties: Record<string, string>, callback: () => T): T;
    /**
     * Defines the root causation for the current process.
     * @param properties - Properties associated with the root causation.
     */
    defineRoot(properties: Record<string, string>): void;
}
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