function buildFilterimport { buildFilter } from "https://dotland.deno.dev/x/lume@v2.2.1/core/searcher.ts"; buildFilter(query?): Filter | undefinedParse a query string and return a function to filter a search result example: "title=foo level<3" returns: (page) => page.data.title === "foo" && page.data.level < 3 Parametersoptionalquery = [UNSUPPORTED]ReturnsFilter | undefined