/**
     * Get the value for the key 'api.search.accept.referers'. <br>
     * The value is, e.g.  <br>
     * comment: Accepted referers for API search.
     * @return The value of found property. (NotNull: if not found, exception but basically no way)
     */
    String getApiSearchAcceptReferers();

    /**
     * Get the value for the key 'api.search.accept.referers' as {@link Integer}. <br>
     * The value is, e.g.  <br>

    *   Allow the XRTCompile op to return the ProgramShape resulted form the XLA
        compilation as a second return argument.
    *   XLA HLO graphs can now be rendered as SVG/HTML.
*   Estimator
    *   Replace all occurrences of `tf.contrib.estimator.BaselineEstimator` with
        `tf.estimator.BaselineEstimator`
    *   Replace all occurrences of