/**
 * Manages a line.
 */
export class Line {
    /****************************************************************************\
     * Private static properties
    \****************************************************************************/
    /** @type {Map<string, Line>} */
    static "__#6@#collection": Map<string, Line>;
    /****************************************************************************\
     * Public static methods
    \****************************************************************************/
    /**
     * Gets a line from the global collection by its ID.
     *
     * @param {string} lineID The ID of the line to be retrieved.
     * @returns {Line | undefined} The retrieved line.
     */
    static getByID(lineID: string): Line | undefined;
    /****************************************************************************\
     * Constructor
    \****************************************************************************/
    /**
     * Creates a new Line.
     *
     * @param {string} lineString The original, unparsed line string.
     * @param {string} nodeID The ID of the node to which this line belongs.
     */
    constructor(lineString: string, nodeID: string);
    /****************************************************************************\
     * Public instance methods
    \****************************************************************************/
    /**
     * Adds a tag.
     *
     * @param {string | Tag} tag The tag to be added.
     * @returns {Tag} The generated tag.
     */
    addTag(tag: string | Tag): Tag;
    /****************************************************************************\
     * Public getters/setters
    \****************************************************************************/
    /** @returns {Character | undefined} The character of this line. */
    get character(): Character | undefined;
    /** @param {Line} line The first child of this line. */
    set firstChild(line: Line | undefined);
    /** @returns {Line | undefined} The first child of this line. */
    get firstChild(): Line | undefined;
    /** @returns {string} A unique identifier for this line. */
    get id(): string;
    /** @returns {number} The number of spaces at the beginning of this line. */
    get indentationLevel(): number;
    /** @returns {boolean} Whether this line is an option. */
    get isOption(): boolean;
    /** @param {Line} line The next line at this indentation level. */
    set nextSibling(line: Line | undefined);
    /** @returns {Line | undefined} The next line at this indentation level. */
    get nextSibling(): Line | undefined;
    /** @returns {string} The ID of the node to which this line belongs. */
    get nodeID(): string;
    /** @returns {string} The original, unparsed line. */
    get original(): string;
    /** @returns {Set<Tag>} An array of the segments of this line. */
    get tags(): Set<Tag>;
    /** @returns {Set<import('../types/LineSegment.js').LineSegment>} An array of the segments of this line. */
    get segments(): Set<import("../types/LineSegment.js").LineSegment>;
    #private;
}
import { Tag } from './Tag.js';
import { Character } from './Character.js';
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