import ALS from 'alscontext';
type Context = {
    /**
     * Flags that the application has requested that the current message be
     * returned to the queue for retry.
     */
    messageReturnedToQueue: boolean;
};
/**
 * An internal context that tracks calls within handlers to .returnMessage()
 */
declare class MessageLifecycleContext extends ALS {
    /**
     * Fetch the message context for the current async stack
     */
    get(): Context;
    /**
     * Set the message context for the current async stack
     */
    set(message: Context): any;
    /**
     * Start and run a new async context
     */
    run<T>(context: Context, fn: () => T | Promise<T>, isInHandlerContext?: boolean): T | Promise<T>;
    /**
     * Check if the call stack is within a handler or workflow handler context
     */
    get isInHandlerContext(): boolean;
}
export declare const messageLifecycleContext: MessageLifecycleContext;
export {};