private com.google.protobuf.SingleFieldBuilderV3<
            com.google.cloud.visionai.v1.DataSchemaDetails,
            com.google.cloud.visionai.v1.DataSchemaDetails.Builder,
            com.google.cloud.visionai.v1.DataSchemaDetailsOrBuilder>
        getSchemaDetailsFieldBuilder() {
      if (schemaDetailsBuilder_ == null) {
        schemaDetailsBuilder_ =
            new com.google.protobuf.SingleFieldBuilderV3<
                com.google.cloud.visionai.v1.DataSchemaDetails,
                com.google.cloud.visionai.v1.DataSchemaDetails.Builder,
                com.google.cloud.visionai.v1.DataSchemaDetailsOrBuilder>(
                getSchemaDetails(), getParentForChildren(), isClean());
        schemaDetails_ = null;
      }
      return schemaDetailsBuilder_;
    }
<pre>
The schema details mapping to the key.
</pre>

<code>.google.cloud.visionai.v1.DataSchemaDetails schema_details = 3;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/DataSchema.java