export declare function _el_read_error(): void;
export declare function _hoist_read_error(): void;
export declare function _assert_hoist(value: unknown): void;
export declare function assertExclusiveAttrs(attrs: Record<string, unknown> | undefined, onError?: typeof throwErr): void;
export declare function assertValidEventHandlerAttr(name: string, value: unknown): void;
export declare function assertHandlerIsFunction(name: string, value: unknown): void;
export declare function assertValidTagName(tagName: string): void;
declare function throwErr(msg: string): void;
export {};