export declare type TActivity = {
    id: string;
    optimisticTime: number;
    mostLikelyTime: number;
    pessimisticTime: number;
    predecessors: string[];
};
export interface IActivities {
    [key: string]: TActivity;
}
interface IActivityInferred {
    expectedTime: number;
    variance: number;
}
export interface IActivitiesInferred {
    [key: string]: IActivityInferred;
}
declare const getActivitiesParams: (activities: IActivities) => IActivitiesInferred;
export declare const getExpectedTimeByNode: (currentNode: string, activitiesParams: IActivitiesInferred) => number;
export default getActivitiesParams;