transformPageChunk = async ({ html, done }) => {
						if (options?.transformPageChunk) {
							html = (await options.transformPageChunk({ html, done })) ?? '';
						}

						if (parent_options?.transformPageChunk) {
							html = (await parent_options.transformPageChunk({ html, done })) ?? '';
						}

						return html;
					}
@type {import('@sveltejs/kit').ResolveOptions['transformPageChunk']}