code: public java.util.List<String> getVersionLabels() {
          if (versionLabels == null) {
              versionLabels = new com.amazonaws.internal.SdkInternalList<String>();
          }
          return versionLabels;
      }
docs: <p>
  A list of version labels, specifying one or more application source bundles that belong to the target
  application. Each source bundle must include an environment manifest that specifies the name of the environment
  and the name of the solution stack to use, and optionally can specify environment links to create.
  </p>
  
  @return A list of version labels, specifying one or more application source bundles that belong to the target
  application. Each source bundle must include an environment manifest that specifies the name of the
  environment and the name of the solution stack to use, and optionally can specify environment links to
  create.