/**
 * Required prefix for all vira elements.
 *
 * @category Internal
 */
export declare const ViraTagNamePrefix = "vira-";
/**
 * Required tag name for all vira elements. This includes {@link ViraTagNamePrefix} in it.
 *
 * @category Internal
 */
export type ViraTagName = `${typeof ViraTagNamePrefix}${string}`;
/**
 * Define a vira element with custom requirements (like the `vira-` element tag prefix).
 *
 * @category Internal
 */
export declare const defineViraElement: <Inputs extends {}>(...errorParams: import("element-vir").DeclarativeElementInputErrorParams<Inputs>) => <const TagName extends `vira-${string}`, State extends {}, EventsInit extends {}, const HostClassKeys extends `${TagName}-${string}` = `${TagName}-`, const CssVarKeys extends `${TagName}-${string}` = `${TagName}-`, const SlotNames extends ReadonlyArray<string> = readonly []>(inputs: import("element-vir").DeclarativeElementInit<TagName, Inputs, State, EventsInit, HostClassKeys, CssVarKeys, SlotNames>) => import("element-vir").DeclarativeElementDefinition<TagName, Inputs, State, EventsInit, HostClassKeys, CssVarKeys, SlotNames>;