import type { LogLevel } from 'simple-log-methods';
import type { VisualogicContext } from 'visualogic';
import type { IsoDuration } from '../../../domain.objects/IsoDuration';
interface StopOptions {
    log?: boolean | {
        threshold?: IsoDuration;
        level?: LogLevel;
    };
}
/**
 * .what = a procedure which returns a duration stopwatch
 * .what.intent =
 *   - start a duration stopwatch for a given reason
 *   - stop it when ready, with optional log ability
 */
export declare const startDurationStopwatch: (input: {
    for: string;
} & StopOptions, context: VisualogicContext) => {
    stop: (input?: StopOptions) => {
        duration: {
            milliseconds: number;
        };
    };
};
export {};