/**
 * Copyright: (c) Myia SAS 2026.
 * This file and its contents are licensed under the AGPLv3 License.
 * Please see the LICENSE file at the root of this repository
 */
import type { EnterEvent } from '../model/trace-schema';
export declare class ActiveEnterStack {
    private readonly stack;
    push(event: EnterEvent): void;
    pop(): EnterEvent | undefined;
    peek(): EnterEvent | undefined;
    depth(): number;
    parentSeq(): number | null;
    clear(): void;
}
