@java.lang.Override
  public java.lang.String getSearchConfigId() {
    java.lang.Object ref = searchConfigId_;
    if (ref instanceof java.lang.String) {
      return (java.lang.String) ref;
    } else {
      com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
      java.lang.String s = bs.toStringUtf8();
      searchConfigId_ = s;
      return s;
    }
  }
<pre>
Required. ID to use for the new search config. Will become the final
component of the SearchConfig's resource name. This value should be up to
63 characters, and valid characters are /[a-z][0-9]-_/. The first character
must be a letter, the last could be a letter or a number.
</pre>

<code>string search_config_id = 3 [(.google.api.field_behavior) = REQUIRED];</code>

@return The searchConfigId.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/CreateSearchConfigRequest.java