import { DataRadar } from ".";
import { WrappedData } from "./WrappedData";
import { SelectionDirection, SelectionMode } from "./types";
export type Props<endPointT, containerT> = {
    challengers: (endPointT | containerT)[];
    radar: DataRadar<endPointT, containerT>;
    selectionMode?: SelectionMode;
};
/**
 * Private class. You must not use it directly but always use a Navigator instead.
 */
export declare class Stage<endPointT, containerT> {
    #private;
    wrappedDatas: WrappedData<endPointT, containerT>[];
    selectionMode: SelectionMode;
    readonly radar: DataRadar<endPointT, containerT>;
    constructor(props: Props<endPointT, containerT>);
    selectByIndex(index: number): WrappedData<endPointT, containerT>;
    selectFirst(): WrappedData<endPointT, containerT>;
    selectLast(): WrappedData<endPointT, containerT>;
    selectWrappedData(wrapped: WrappedData<endPointT, containerT>): void;
    selectData(data: endPointT | containerT): void;
    hasData(data: endPointT | containerT): boolean;
    get selectedWrappedData(): WrappedData<endPointT, containerT> | null;
    get selectedData(): endPointT | containerT | null;
    get currentSelectionIndex(): number | null;
    /**
     * Return false if the translation can't be completely done. Notice that in that case a translation to the last item will be made.
     *
     * Return the number of movements that haven't been made (for case where the end is reached).
     */
    moveForward(amplitude?: number): number;
    moveBackward(amplitude?: number): number;
    /**
     * You generally want Stage to always have something selected.
     * That will be accomplished if the SelectionMode provided is "EXTREMITY".
     * It will select the first item of the Stage if the Stage doesn't have any selection.
     * However the the parameter 'direction' you can define that the default is the last element instead of the first one.
     * This is the expected pattern when the Explorer execute some backward moves.
     */
    stabilize(direction: SelectionDirection): void;
}