export interface Selection {
    start: number;
    end: number;
    direction: SelectionDirection;
}
export type SelectionDirection = 'forward' | 'backward' | 'none';
export declare class SelectionHelper {
    static fromPosition: (position: number) => Selection;
    static backward: (start: number, end: number) => Selection;
    static forward: (start: number, end: number) => Selection;
}
