import { Maybe } from "@sakuli/commons";
export interface Measurable {
    startDate: Maybe<Date>;
    endDate: Maybe<Date>;
}
export interface StartedMeasurable {
    startDate: Date;
    endDate: Maybe<Date>;
}
export interface FinishedMeasurable {
    startDate: Date;
    endDate: Date;
}
export declare function isStarted(m: Measurable): m is StartedMeasurable;
export declare function isFinished(m: StartedMeasurable): m is FinishedMeasurable;
export declare function getDuration(m: FinishedMeasurable): number;
//# sourceMappingURL=measureable.interface.d.ts.map