/** whether the embedder's weights are installed */
export declare const hasEmbedder: () => boolean;
/** A text's vector, unit length; null when the embedder is not installed. */
export declare function embedText(text: string): Float32Array | null;
export declare const cosine: (a: Float32Array, b: Float32Array) => number;
/**
 * The labels a text is closest to, best first: tagging an article with the
 * app's categories, routing a message to a department.
 */
export declare function classify(text: string, labels: Record<string, string>, top?: number): {
    label: string;
    score: number;
}[];