import { PositionMark, RotationColumns, RotationGroups, TemporalSplitGroups, TimelineSplit } from './model';
/**
 * Finds the earliest start date in a set of splits.
 * @param splits
 * @returns
 */
export declare const getStartDate: (splits: TimelineSplit[]) => number;
/**
 * Finds the latest end date in a set of splits.
 * @param splits
 * @returns
 */
export declare const getEndDate: (splits: TimelineSplit[]) => number;
/**
 * Creates an estimator which calculates the relative position of a date
 * in a given date range specified by the start and end date.
 * @param start
 * @param end
 * @returns
 */
export declare const createPositionEstimator: (start: number, end: number) => (time: number, mark: PositionMark) => number;
/**
 * Divides the set of splits into their respective rotation groups.
 * Note that non-rotation splits are put in rotation group 1 ('1').
 * @param splits
 * @returns
 */
export declare const getRotationGroups: (splits: TimelineSplit[]) => RotationGroups;
/**
 * Groups a set of splits according to their start date. Every split that begins
 * on the same date will be grouped together. Based on the appliesFrom property.
 * @param splits
 * @returns
 */
export declare const splitGroupsByDate: (splits: TimelineSplit[]) => TemporalSplitGroups;
/**
 * Returns the split with the earliest start date. Based on the appliesFrom property.
 * @param splits
 * @returns
 */
export declare const getEarliestFinish: (splits: TimelineSplit[]) => TimelineSplit;
/**
 * Checks whether two splits overlap in time.
 * @param splitA
 * @param splitB
 * @returns
 */
export declare const doesSplitsOverlap: (splitA: TimelineSplit, splitB: TimelineSplit) => boolean;
/**
 * Returns all the splits in a set which overlaps in time with the main split
 * @param main
 * @param splits
 * @returns
 */
export declare const getLinkedSplits: (main: TimelineSplit, splits: TimelineSplit[]) => TimelineSplit[];
/**
 * Groups a set of splits into columns, where each column is represented by a unqiue split start date in the set of splits.
 * Each column is associated by a main split (the split in the set which has the smallest range compared to other splits with
 * the same start date), and a set of linked splits, which overlaps with the main split.
 * @param splits
 * @returns
 */
export declare const getRotationColumns: (splits: TimelineSplit[]) => RotationColumns;
/**
 * Finds the splits that are active given the selected date
 * @param splits
 * @param selectedDate
 * @returns
 */
export declare const getSelectedSplits: (splits: TimelineSplit[], selectedDate: Date) => string[];
/**
 * Computes the initial selected date for a timeline after a position has been selected.
 * @param currentDate
 * @param start
 * @param end
 * @returns
 */
export declare const initialSelectedDate: (currentDate: Date, start: number, end: number) => Date;