public Builder addAllRequired(java.lang.Iterable<java.lang.String> values) {
      ensureRequiredIsMutable();
      com.google.protobuf.AbstractMessageLite.Builder.addAll(values, required_);
      bitField0_ |= 0x00001000;
      onChanged();
      return this;
    }
<pre>
Optional. Required properties of Type.OBJECT.
</pre>

<code>repeated string required = 5 [(.google.api.field_behavior) = OPTIONAL];</code>

@param values The required to add.
@return This builder for chaining.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Schema.java