function semver.rcompareIdentifiersimport { semver } from "https://deno.land/x/mysql@v2.10.3/test.deps.ts"; const { rcompareIdentifiers } = semver; rcompareIdentifiers(a: string | null, b: string | null): 1 | 0 | -1Parametersa: string | nullb: string | nullReturns1 | 0 | -1