public Builder clearFilter() {
      filter_ = getDefaultInstance().getFilter();
      bitField0_ = (bitField0_ & ~0x00000008);
      onChanged();
      return this;
    }
<pre>

To filter on multiple expressions, provide each separate expression within
parentheses. For example:
```
(name = "example-cluster")
(nodeCount = "3")
```

By default, each expression is an `AND` expression. However, you can
include `AND` and `OR` expressions explicitly. For example:
```
(name = "example-cluster-1") AND
(createTime &gt; "2021-04-12T08:15:10.40Z") OR
(name = "example-cluster-2")
```
</pre>

<code>string filter = 4;</code>

@return This builder for chaining.
java-vmwareengine/proto-google-cloud-vmwareengine-v1/src/main/java/com/google/cloud/vmwareengine/v1/ListClustersRequest.java