import type { MdxJsxAttribute, MdxJsxAttributeValueExpression, MdxJsxAttributeValueExpressionData } from 'mdast-util-mdx-jsx';
export declare function castValue(value: string | null | undefined): string | number | boolean | null | undefined;
export declare function toMdxJsxAttributes(nodeAttributes: Record<string, string | null | undefined> | null | undefined): MdxJsxAttribute[];
export declare function buildJsxValueExpression(value: any): MdxJsxAttributeValueExpression;
export declare function buildEsTree(value: any): MdxJsxAttributeValueExpressionData;
export declare function getIcon(iconName: string, options?: {
    iconLibrary?: string;
}): Promise<import("vfile").VFileValue>;