export { isTopLevel };
/**
 * Whether an offset in a shader sits outside every block, which is where a
 * reader looks for the inputs of a module.
 *
 * Braces are counted from the start of the source, ignoring those inside a
 * comment or a string, so a declaration in a function body is told apart from
 * one beside it at the top of the file.
 */
declare const isTopLevel: (source: string) => (offset: number) => boolean;