public Builder setApiKeySecretVersionBytes(com.google.protobuf.ByteString value) {
        if (value == null) {
          throw new NullPointerException();
        }
        checkByteStringIsUtf8(value);
        apiKeySecretVersion_ = value;
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
<pre>
Required. The SecretManager secret version resource name storing API key.
e.g. projects/{project}/secrets/{secret}/versions/{version}
</pre>

<code>
string api_key_secret_version = 1 [(.google.api.field_behavior) = REQUIRED, (.google.api.resource_reference) = { ... }
</code>

@param value The bytes for apiKeySecretVersion to set.
@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/ApiAuth.java