code: /*
   * SPDX-License-Identifier: Apache-2.0
   * Copyright 2018-2019 The Feast Authors
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     https://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package dev.feast;
  
  import com.google.auto.value.AutoValue;
  import io.grpc.CallCredentials;
  import java.util.Optional;
  
  /** SecurityConfig captures the security related configuration for FeastClient */
  @AutoValue
  public abstract class SecurityConfig {
    /**
     * Enables authentication If specified, the call credentials used to provide credentials to
     * authenticate with Feast.
     *
     * @return credentials
     */
    public abstract Optional<CallCredentials> getCredentials();
  
    /**
     * Whether to use TLS transport security is use when connecting to Feast.
     *
     * @return true if enabled
     */
    public abstract boolean isTLSEnabled();
  
    /**
     * If specified and TLS is enabled, provides path to TLS certificate use the verify Service
     * identity.
     *
     * @return certificate path
     */
    public abstract Optional<String> getCertificatePath();
  
    @AutoValue.Builder
    public abstract static class Builder {
      public abstract Builder setCredentials(Optional<CallCredentials> credentials);
  
      public abstract Builder setTLSEnabled(boolean isTLSEnabled);
  
      public abstract Builder setCertificatePath(Optional<String> certificatePath);
  
      public abstract SecurityConfig build();
    }
  
    public static SecurityConfig.Builder newBuilder() {
      return new AutoValue_SecurityConfig.Builder()
          .setCredentials(Optional.empty())
          .setTLSEnabled(false)
          .setCertificatePath(Optional.empty());
    }
  }
  