import type { Template } from './template';
export declare function defaultEmptyTemplate(): never[];
export declare function isTemplateRegistered(tpl: Template): boolean;
/**
 * INTERNAL: This function can only be invoked by compiled code. The compiler
 * will prevent this function from being imported by userland code.
 * @param tpl
 */
export declare function registerTemplate(tpl: Template): Template;
/**
 * EXPERIMENTAL: This function acts like a hook for Lightning Locker Service and other similar
 * libraries to sanitize vulnerable attributes.
 * @param tagName
 * @param namespaceUri
 * @param attrName
 * @param attrValue
 */
export declare function sanitizeAttribute(tagName: string, namespaceUri: string, attrName: string, attrValue: any): string;
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