import { type TextDirection } from '@/dynamic-ui/text-direction';
export declare const STREAMING_MIN_STRONG = 12;
export type { TextDirection };
export declare function directionSignalOf(text: string | null | undefined): TextDirection | undefined;
export declare function proseTextOf(node: Node): string;
export declare function strongDirectionalCount(text: string | null | undefined): number;
export declare function decisiveDirection(text: string | null | undefined, minStrong?: number): TextDirection | undefined;
export declare const elementDirection: (element: Element, minStrong?: number) => TextDirection | undefined;
export declare function latchDirection(next: TextDirection | undefined, previous: TextDirection | undefined): TextDirection | undefined;
export declare function sourceDirection(source: string | null | undefined, minStrong?: number): TextDirection | undefined;