/**
 * A class to help with text selection and manipulation of textareas and inputs
 */
export declare class TextSelection {
    elm: HTMLTextAreaElement;
    start: number;
    end: number;
    value: string;
    constructor(elm: HTMLTextAreaElement);
    /**
     * Sets the position of the text selection within an element.
     *
     * @param {number} [start] - The start position of the selection.
     * @param {number} [end] - The end position of the selection.
     * @returns {Object} - Returns the instance of the object.
     */
    position(start?: number, end?: number): this;
    /**
     * Inserts text at the current cursor position
     * @param text the text to insert
     * @returns the TextSelection instance
     */
    insertText(text: string): this;
    /**
     * Gets the selected text value from a textarea / input
     * @param start number start index
     * @param end number end index
     * @returns the selected text
     */
    getSelectedValue(start?: number, end?: number): string;
    /**
     * Gets the start index of the current line where the text is selected
     * @returns the start index of the current line
     */
    getLineStartNumber(): number;
    /** Indent on new lines */
    getIndentText(): string;
    lineStarInsert(text: string): this;
    lineStarRemove(text: string): void;
    /** Notify any possible listeners of the change */
    notifyChange(): void;
}