Merge "Introduce Callable URI as hidden API"

             */

            public static final String NAMESPACE = DataColumns.DATA2;

        }

        /**

         * <p>

         * Convenient functionalities for "callable" data. Note that, this is NOT a separate data

         * kind.

         * </p>

         * <p>

         * This URI allows the ContactsProvider to return a unified result for "callable" data

         * that users can use for calling purposes. {@link Phone} and {@link SipAddress} are the

         * current examples for "callable", but may be expanded to the other types.

         * </p>

         * <p>

         * Each returned row may have a different MIMETYPE and thus different interpretation for

         * each column. For example the meaning for {@link Phone}'s type is different than

         * {@link SipAddress}'s.

         * </p>

         *

         * @hide

         */

        public static final class Callable implements DataColumnsWithJoins, CommonColumns {

            /**

             * Similar to {@link Phone#CONTENT_URI}, but returns callable data instead of only

             * phone numbers.

             */

            public static final Uri CONTENT_URI = Uri.withAppendedPath(Data.CONTENT_URI,

                    "callables");

            /**

             * Similar to {@link Phone#CONTENT_FILTER_URI}, but allows users to filter callable

             * data.

             */

            public static final Uri CONTENT_FILTER_URI = Uri.withAppendedPath(CONTENT_URI,

                    "filter");

        }

    }

    /**