import CodeViewOptions from "./CodeViewOptions";
import HighlightBox from "./HighlightBox";
import CodeViewMemento from "./CodeViewMemento";
/** Represents component displaying a code example. */
declare class CodeView {
    /** Initial options. */
    private initialOptions;
    /** Root element of code view. */
    private rootElement;
    /** Gutter element (container for line numbers). */
    private gutterElement;
    /** Container element. */
    private containerElement;
    /** Line number elements. */
    private lineNumberElements;
    /** Pre element. */
    private preElement;
    /** Indicates whether line numbers are visible. */
    private lineNumberElementsVisible;
    /** Stores highlight boxes along with their managers. */
    private highlightBoxEntries;
    /** Event source to remove highlight box. */
    private removeHighlightBoxEventSource;
    /** Line height of code. */
    readonly lineHeight: number;
    /** Line height unit of code. */
    readonly lineHeightUnit: string;
    /** Number of lines of code. */
    readonly linesCount: number;
    /**
     * Creates new code view.
     * @param element Pre element with code element child.
     * @param options Code view options.
     */
    constructor(element: HTMLPreElement, options?: CodeViewOptions);
    /**
     * Appends code view to element.
     * @param element Element to append code view to.
     */
    appendTo(element: HTMLElement): void;
    /**
     * Detaches code view from its parent element.
     */
    detach(): void;
    /**
     * Resets code view to its initial state.
     */
    reset(): void;
    /**
     * Creates memento.
     * @returns Memento.
     */
    createMemento(): CodeViewMemento;
    /**
     * Applies memento.
     * @param memento Memento.
     */
    applyMemento(memento: CodeViewMemento): void;
    /**
     * Creates copy of code view.
     * @returns Copy of code view.
     */
    clone(): CodeView;
    /**
     * Adds new highlight.
     * @param start Start line of highlight.
     * @param end End line of highlight (default is the same as start line).
     * @param customCssClass Custom CSS class(es) to be added to highlight element.
     * @returns Created highlight box.
     */
    addHighlight(start: number, end?: number, customCssClass?: string | string[] | null): HighlightBox;
    /**
     * Removes highlights based on passed range (all intersecting highlights are removed).
     * @param start Start line.
     * @param end End line (default is the same as start line).
     */
    removeHighlights(start?: number | null, end?: number | null): void;
    /**
     * Returns all highlight boxes in passed range (if no parameters are passed or null is passed, all highlight boxes are returned).
     * @param start Start line.
     * @param end End line (default is the same as start line).
     * @returns Highlight boxes.
     */
    getHighlightBoxes(start?: number | null, end?: number | null): Array<HighlightBox>;
    /**
     * Shows gutter.
     */
    showGutter(): void;
    /**
     * Hides gutter.
     */
    hideGutter(): void;
    /**
     * Checks whether gutter is visible.
     * @returns Indicates whether gutter is visible.
     */
    isGutterVisible(): boolean;
    /**
     * Shows line numbers.
     */
    showLineNumbers(): void;
    /**
     * Hides line numbers.
     */
    hideLineNumbers(): void;
    /**
     * Checks whether line numbers are visible.
     * @returns Indicates whether line numbers are visible.
     */
    areLineNumbersVisible(): boolean;
    /**
     * Returns displayed code.
     * @returns Displayed code.
     */
    getCode(): string;
    /**
     * Called by highlight boxes when their remove method is called.
     * @param highlightBox Highlight box to be removed.
     */
    private onRemoveHighlightBox;
    /**
     * Initializes highlights based on passed string with highlights definitions.
     * @param highlightString String with highlights definitions (for example: "1", "1-5", "2-4,6-8", "1-5(custom-css-class another-css-class)"...).
     */
    private initHighlights;
    /**
     * Fills passed container element by line number elements and returns them.
     * @param container Container in which should be created line number elements.
     * @param hidden Determines whether line numbers should be hidden.
     * @returns Created line number elements.
     */
    private fillLineNumbers;
    /**
     * Returns lines count of passed code element.
     * @param codeElement Code element.
     * @returns Lines count.
     */
    private getLinesCount;
    /**
     * Fills code view options based on dataset.
     * @param options Code view options.
     * @param dataset Dataset.
     */
    private fillOptionsFromDataset;
    /**
     * Returns child code element of pre element. If pre element does not contains code element, error is returned.
     * @param preElement Pre element.
     * @returns Code element.
     */
    private getCodeElement;
}
export default CodeView;