//
  // - Exact: match a request only if it exactly matches a specified rule.
  // For example, if deployments can be modified via apps/v1, apps/v1beta1, and extensions/v1beta1,
  // but "rules" only included `apiGroups:["apps"], apiVersions:["v1"], resources: ["deployments"]`,
  // a request to apps/v1beta1 or extensions/v1beta1 would not be sent to the webhook.
  //

The Push Queue is mostly a normal queue, but it has some special logic to merge push requests for each given proxy. This results in each proxy having 0 or 1 outstanding push requests; if additional updates come in the existing push request is just expanded.

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// the Free Software Foundation, either version 3 of the License, or
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//
// This program is distributed in the hope that it will be useful
// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// the Free Software Foundation, either version 3 of the License, or
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//
// This program is distributed in the hope that it will be useful
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
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 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
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 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
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 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
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 *