import { TryCatchFinallyContext, TryCatchFinallyHook } from './wrapTryCatchFinallyPromisable';
export type OperationDurationContext<TContext extends TryCatchFinallyContext = TryCatchFinallyContext> = TContext & {
    start?: number;
    duration?: number;
};
export declare class OperationDuration {
    static getTryCatchFinallyHook(_ctx: OperationDurationContext): TryCatchFinallyHook<OperationDurationContext>;
    static getPriority(): number;
    static onTry(ctx: OperationDurationContext): void;
    static onFinally(ctx: OperationDurationContext): void;
    static getDuration<TContext extends OperationDurationContext>(ctx: TContext): number | undefined;
}