export declare const INTERNAL_EVENTS: string[];
export declare const CAPACITY_EXEMPT_METHODS: Set<string>;
export declare const NOOP_REQUEST_CALLBACK: () => void;
export declare function isDurableControlEvent(content: any): boolean;
export declare function operationFailure(content: any, message: string, code?: string): {
    message: string;
    code: string;
    eventName: any;
    operationId: any;
};
export declare function operationIdentity(content: any): {
    eventName: any;
    operationId: any;
};