fields><thead><tr><th>Field</th><th>Type</th><th>Description</th></tr></thead><tbody><tr id=Rule-HeaderOperationTemplate-name><td><code>name</code></td><td><code>string</code></td><td><p>Required. Header name literal value.</p></td></tr><tr id=Rule-HeaderOperationTemplate-values><td><code>values</code></td><td><code>string[]</code></td><td><p>Optional. Header value expressions.</p></td></tr><tr id=Rule-HeaderOperationTemplate-operation><td><code>operation</code></td><td><code><a href=#Rule-HeaderOperationTe