@java.lang.Override
  public com.google.cloud.tpu.v2alpha1.ServiceIdentity getDefaultInstanceForType() {
    return DEFAULT_INSTANCE;
  }
<pre>
The email address of the service identity.
</pre>

<code>string email = 1;</code>

@param value The bytes for email to set.
@return This builder for chaining.
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/ServiceIdentity.java