import { InjectionKey } from 'vue';
export type TabNavAlign = 'left' | 'center' | 'right';
export type TabNavPlacement = 'top' | 'right' | 'bottom' | 'left';
export interface TabNavItemOptions {
    label: string | number;
    content?: string;
    icon?: Record<string, any>;
    disabled?: boolean;
    closable?: boolean;
    onToggle?: (active: boolean) => void;
}
export type TabNavOptions = TabNavItemOptions | string | number;
export interface ItemState {
    el?: HTMLElement | null;
    label: string | number;
    index: number;
    total: number;
}
export interface TabNavState {
    currentActive: string | number;
    closable: boolean;
    increaseItem: (item: ItemState) => void;
    decreaseItem: (item: ItemState) => void;
    handleActive: (label: string | number) => void;
    handleClose: (label: string | number) => void;
    refreshLabels: () => void;
}
export type ChangeEvent = (label: string | number) => void;
export interface TabNavSlots {
    prefix?: () => any;
    suffix?: () => any;
    add?: () => any;
    marker?: () => any;
    /**
     * @internal
     */
    default?: () => any;
}
export declare const TAB_NAV_STATE: InjectionKey<TabNavState>;
export declare const trackStyleMap: Readonly<{
    readonly top: readonly ["left", "width"];
    readonly right: readonly ["top", "height"];
    readonly bottom: readonly ["left", "width"];
    readonly left: readonly ["top", "height"];
}>;