/**
 * Trim whitespace in the jsx text where safe, without breaking cases like this:
 * ```tsx
 * <p>Format: {text}</p>
 * ```
 *
 * This does not handle some cases if they are already handled by Prettier
 * (like trailing whitespace on a line, or two consecutive non-indent white-spaces)
 */
export declare function safeTrimText(text: string): string;
export declare const escapeForTemplateLiteral: (string: string) => string;
export declare const shouldQuoteAttributeValue: (value: string) => boolean;
export declare const escapeForHtml: (string: string) => string;
export declare const isCustomElement: (tagName: string | symbol) => tagName is string;