import CodeViewMemento from "../code-view/CodeViewMemento";
import HighlightBox from "../code-view/HighlightBox";
import CodeView from "../code-view/CodeView";
import CodeBox from "./CodeBox";
import CodeBoxCodeViewManager from "./CodeBoxCodeViewManager";
/** Represents code view of code box. */
declare class CodeBoxCodeView<T extends CodeBox = CodeBox> {
    /** Identifier of code view. */
    protected identifier: string;
    /** Code view. */
    protected codeView: CodeView;
    /** Code box to which code view belongs. */
    protected codeBox: T | null;
    /** 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 box code view.
     * @param identifier Identifier.
     * @param codeView Code view.
     * @param codeBox Code box to which code view belongs.
     * @param manager Manager of code box code view.
     */
    constructor(identifier: string, codeView: CodeView, codeBox: T, manager: CodeBoxCodeViewManager);
    /**
     * Returns identifier of code view.
     * @returns Identifier.
     */
    getIdentifier(): string | null;
    /**
     * Changes identifier of code view.
     * @param newIdentifier New identifier.
     * @returns Indicates whether change has been successfully completed (if passed new identifier already belongs to some other code view in code box, it returns false).
     */
    changeIdentifier(newIdentifier: string): boolean;
    /**
     * Sets code view as active (displays it in code box).
     */
    setAsActive(): void;
    /**
     * Removes code view from code box.
     */
    remove(): 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;
    /**
     * Returns 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 code view manager when identifier should be changed.
     * @param newIdentifier New identifier.
     */
    private onIdentifierChange;
    /**
     * Called by code view manager when code view should be unlinked from code box.
     */
    private onUnlinkCodeBox;
}
export default CodeBoxCodeView;