/**
 * Browser polyfill for AsyncLocalStorage.
 *
 * Uses a simple stack-based approach, which is safe in single-threaded
 * browser environments. Does not support `enterWith()` or `disable()`
 * (neither is used in the FrontMCP codebase).
 */
export declare class AsyncLocalStorage<T> {
    private stack;
    run<R>(store: T, callback: (...args: unknown[]) => R, ...args: unknown[]): R;
    getStore(): T | undefined;
}