/** Every component base name the library ships. */
export type ElementBaseName = 'alert' | 'alert-dialog' | 'avatar' | 'badge' | 'button-group' | 'carousel' | 'carousel-item' | 'combobox' | 'dialog' | 'divider' | 'drawer' | 'dropdown' | 'dropdown-item' | 'dropdown-label' | 'form-field' | 'icon' | 'input-group' | 'input-otp' | 'input-stepper' | 'popover' | 'prose-editor' | 'skeleton' | 'slider' | 'spinner' | 'rating' | 'sticky-bar' | 'stories' | 'story' | 'stories-viewer' | 'tabs' | 'toast' | 'toast-item' | 'tooltip' | 'tree' | 'tree-item';
/** Set the global prefix. Must be called before defining elements. */
export declare function setPrefix(prefix: {
    element: string;
    css: string;
}): void;
/** Get the current prefixes. */
export declare function getPrefix(): {
    element: string;
    css: string;
};
/** Derive the full tag name from element prefix + base name. */
export declare function tagName(baseName: ElementBaseName): string;
/** Prefix a CSS class name. `cls('toast-icon')` → `'l-toast-icon'` */
export declare function cls(name: string): string;
export declare function uniqueId(base: string): string;
/** Check if a base name is already registered. */
export declare function isRegistered(baseName: ElementBaseName): boolean;
/** Mark a base name as registered. Called internally by define(). */
export declare function markRegistered(baseName: ElementBaseName): void;
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