/**
 * Structural shape of the Cloudflare Workers `ExecutionContext`. Defined
 * locally so `@voyant-travel/hono` doesn't need `@cloudflare/workers-types` —
 * consumers on Node, Vercel, or any other runtime can use these helpers.
 */
export interface ExecutionContextLike {
    waitUntil(promise: Promise<unknown>): void;
}
/**
 * Hono throws on `executionCtx` access when the adapter provides none
 * (Node tests, some serverless adapters) — normalize to undefined.
 */
export declare function tryGetExecutionCtx(c: {
    executionCtx?: unknown;
}): ExecutionContextLike | undefined;