public Builder mergeFrom(com.google.cloud.tpu.v2alpha1.ServiceAccount other) {
      if (other == com.google.cloud.tpu.v2alpha1.ServiceAccount.getDefaultInstance()) return this;
      if (!other.getEmail().isEmpty()) {
        email_ = other.email_;
        bitField0_ |= 0x00000001;
        onChanged();
      }
      if (!other.scope_.isEmpty()) {
        if (scope_.isEmpty()) {
          scope_ = other.scope_;
          bitField0_ |= 0x00000002;
        } else {
          ensureScopeIsMutable();
          scope_.addAll(other.scope_);
        }
        onChanged();
      }
      this.mergeUnknownFields(other.getUnknownFields());
      onChanged();
      return this;
    }
<pre>
A service account.
</pre>

Protobuf type {@code google.cloud.tpu.v2alpha1.ServiceAccount}
java-tpu/proto-google-cloud-tpu-v2alpha1/src/main/java/com/google/cloud/tpu/v2alpha1/ServiceAccount.java