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							- function _usingCtx() {
 
-   var r = "function" == typeof SuppressedError ? SuppressedError : function (r, e) {
 
-       var n = Error();
 
-       return n.name = "SuppressedError", n.error = r, n.suppressed = e, n;
 
-     },
 
-     e = {},
 
-     n = [];
 
-   function using(r, e) {
 
-     if (null != e) {
 
-       if (Object(e) !== e) throw new TypeError("using declarations can only be used with objects, functions, null, or undefined.");
 
-       if (r) var o = e[Symbol.asyncDispose || Symbol["for"]("Symbol.asyncDispose")];
 
-       if (void 0 === o && (o = e[Symbol.dispose || Symbol["for"]("Symbol.dispose")], r)) var t = o;
 
-       if ("function" != typeof o) throw new TypeError("Object is not disposable.");
 
-       t && (o = function o() {
 
-         try {
 
-           t.call(e);
 
-         } catch (r) {
 
-           return Promise.reject(r);
 
-         }
 
-       }), n.push({
 
-         v: e,
 
-         d: o,
 
-         a: r
 
-       });
 
-     } else r && n.push({
 
-       d: e,
 
-       a: r
 
-     });
 
-     return e;
 
-   }
 
-   return {
 
-     e: e,
 
-     u: using.bind(null, !1),
 
-     a: using.bind(null, !0),
 
-     d: function d() {
 
-       var o,
 
-         t = this.e,
 
-         s = 0;
 
-       function next() {
 
-         for (; o = n.pop();) try {
 
-           if (!o.a && 1 === s) return s = 0, n.push(o), Promise.resolve().then(next);
 
-           if (o.d) {
 
-             var r = o.d.call(o.v);
 
-             if (o.a) return s |= 2, Promise.resolve(r).then(next, err);
 
-           } else s |= 1;
 
-         } catch (r) {
 
-           return err(r);
 
-         }
 
-         if (1 === s) return t !== e ? Promise.reject(t) : Promise.resolve();
 
-         if (t !== e) throw t;
 
-       }
 
-       function err(n) {
 
-         return t = t !== e ? new r(n, t) : n, next();
 
-       }
 
-       return next();
 
-     }
 
-   };
 
- }
 
- export { _usingCtx as default };
 
 
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