import { EventEmitter } from '../../stencil-public-runtime';
/**
 * Modern Tabs component with CSS-first approach
 * @slot - Default slot for bcm-tab components
 */
export declare class BcmTabs {
    el: HTMLElement;
    /**
     * Active tab value
     */
    value: string;
    /**
     * Tab size variant
     */
    size: 'sm' | 'md' | 'lg';
    /**
     * Visual variant
     */
    variant: 'line' | 'enclosed';
    /**
     * Enable shadow on main container
     */
    shadow: boolean;
    /**
     * Emits when active tab changes
     */
    bcmTabChange: EventEmitter<{
        value: string;
        previousValue: string;
    }>;
    tabs: Array<{
        value: string;
        label: string;
        disabled: boolean;
    }>;
    activeIndex: number;
    private tabElements;
    componentWillLoad(): void;
    componentDidLoad(): void;
    /**
     * Discovers all bcm-tab children
     */
    private discoverTabs;
    /**
     * Updates the active index based on current value
     */
    private updateActiveIndex;
    /**
     * Updates active/inactive state of all tab elements
     */
    private updateTabStates;
    handleValueChange(newValue: string, oldValue: string): void;
    handleSizeChange(): void;
    /**
     * Propagates parent props to child tabs
     */
    private propagatePropsToTabs;
    /**
     * Updates CSS custom properties for inkbar positioning
     */
    private updateCSSVariables;
    /**
     * Handles tab click events from children
     */
    handleTabClick(event: CustomEvent<string>): void;
    /**
     * Keyboard navigation support
     */
    handleKeyDown(ev: KeyboardEvent): void;
    private getNextEnabledTabIndex;
    private getPreviousEnabledTabIndex;
    private getFirstEnabledTabIndex;
    private getLastEnabledTabIndex;
    private focusTabAtIndex;
    /**
     * Public method to programmatically set active tab
     */
    setActiveTab(value: string): Promise<void>;
    /**
     * Public method to get active tab value
     */
    getActiveTab(): Promise<string>;
    /**
     * Tailwind class configuration
     */
    private containerClass;
    private tabsListClass;
    private inkbarClass;
    render(): any;
}