@java.lang.Override
  public final boolean isInitialized() {
    byte isInitialized = memoizedIsInitialized;
    if (isInitialized == 1) return true;
    if (isInitialized == 0) return false;

    memoizedIsInitialized = 1;
    return true;
  }
<pre>
Required. The filter string specifies the jobs to be deleted.

Supported operator: =, AND

The fields eligible for filtering are:

* `companyName` (Required)
* `requisitionId` (Required)

Sample Query: companyName = "projects/foo/companies/bar" AND
requisitionId = "req-1"
</pre>

<code>string filter = 2 [(.google.api.field_behavior) = REQUIRED];</code>

@return The bytes for filter.
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/BatchDeleteJobsRequest.java