@java.lang.Override
  public long getMinItems() {
    return minItems_;
  }
<pre>
Optional. Minimum number of the elements for Type.ARRAY.
</pre>

<code>int64 min_items = 21 [(.google.api.field_behavior) = OPTIONAL];</code>

@return The minItems.
java-vertexai/proto-google-cloud-vertexai-v1/src/main/java/com/google/cloud/vertexai/api/Schema.java