import { L10n } from '@syncfusion/ej2-base';
import { DocumentEditor } from '../../document-editor/index';
import { RibbonGalleryItemModel } from '@syncfusion/ej2-ribbon';
/**
 * Helper class for style operations in Document Editor
 * @private
 */
export declare class StylesHelper {
    /**
     * Get style items for gallery
     *
     * @param {DocumentEditor} documentEditor - Document editor instance
     * @param {L10n} localObj - Localization object
     * @returns {RibbonGalleryItemModel[]} Array of style gallery items
     */
    static getStyleItems(documentEditor: DocumentEditor, localObj: L10n): RibbonGalleryItemModel[];
    private static createStyleMaps;
    private static addDefaultStyles;
    private static addRemainingStyles;
    /**
     * Get the current style name from selection
     *
     * @param {DocumentEditor} documentEditor - Document editor instance
     * @returns {string} The current style name
     */
    static getCurrentStyleName(documentEditor: DocumentEditor, localObj: L10n): string;
    /**
     * Find the index of a style in the gallery items
     *
     * @param {string} styleName - Style name to find
     * @param {RibbonGalleryItemModel[]} items - Gallery items array
     * @returns {number} Index of the style or -1 if not found
     */
    static findStyleIndex(styleName: string, items: RibbonGalleryItemModel[]): number;
    /**
     * Apply a style to the document
     *
     * @param {DocumentEditor} documentEditor - Document editor instance
     * @param {string} styleName - Style name to apply
     * @returns {void}
     */
    static applyStyle(documentEditor: DocumentEditor, styleName: string): void;
    /**
     * Update style names in ComboBox
     *
     * @param {DocumentEditor} documentEditor - Document editor instance
     * @param {any} style - ComboBox instance
     * @param {L10n} localObj - Localization object
     * @returns {string} Current style name
     */
    static updateStyleNames(documentEditor: DocumentEditor, style: any, localObj: L10n): string;
    /**
     * Apply style value from ComboBox selection
     *
     * @param {DocumentEditor} documentEditor - Document editor instance
     * @param {any} args - ComboBox change event arguments
     * @returns {void}
     */
    static applyStyleValue(documentEditor: DocumentEditor, args: any): void;
}