export declare type ImportantValue<T extends string | number> = T & {
    __important: true;
};
export interface ImportantSession {
    running: boolean;
    called: boolean;
}
export declare const startImportantSession: () => void;
export declare const finishImportantSession: () => boolean;
declare const important: <T extends string | number>(value: T) => T | ImportantValue<T>;
export declare const isImportantValue: (value: any) => value is string | number;
export default important;