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// Copyright 2018-2022 the Deno authors. All rights reserved. MIT license./** Returns true if the etags match. Weak etag comparisons are handled. */export function compareEtag(a: string, b: string): boolean {  if (a === b) {    return true;  }  if (a.startsWith("W/") && !b.startsWith("W/")) {    return a.slice(2) === b;  }  if (!a.startsWith("W/") && b.startsWith("W/")) {    return a === b.slice(2);  }  return false;}