Object.defineProperty(exports, Symbol.toStringTag, { value: 'Module' });

function isJSRPC(item) {
  try {
    return !!item[`__some_property_that_will_never_exist__${Math.random()}`];
  } catch {
    return false;
  }
}
const isNotJSRPC = (item) => !isJSRPC(item);
function isDurableObjectNamespace(item) {
  return item != null && isNotJSRPC(item) && typeof item.idFromName === "function";
}
function isQueue(item) {
  return item != null && isNotJSRPC(item) && typeof item.send === "function" && typeof item.sendBatch === "function";
}

exports.isDurableObjectNamespace = isDurableObjectNamespace;
exports.isJSRPC = isJSRPC;
exports.isQueue = isQueue;
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