export declare enum Direction {
    Left = 0,
    Right = 1,
    Nearest = 2
}
export declare class AtomicTabMoveOperations {
    /**
     * Get the visible column at the position. If we get to a non-whitespace character first
     * or past the end of string then return -1.
     *
     * **Note** `position` and the return value are 0-based.
     */
    static whitespaceVisibleColumn(lineContent: string, position: number, tabSize: number): [
        number,
        number,
        number
    ];
    /**
     * Return the position that should result from a move left, right or to the
     * nearest tab, if atomic tabs are enabled. Left and right are used for the
     * arrow key movements, nearest is used for mouse selection. It returns
     * -1 if atomic tabs are not relevant and you should fall back to normal
     * behaviour.
     *
     * **Note**: `position` and the return value are 0-based.
     */
    static atomicPosition(lineContent: string, position: number, tabSize: number, direction: Direction): number;
}