SuggestSettingsBuilder result = builder.indexTimeout("20s");
        assertEquals(builder, result); // Test method chaining
        assertEquals("20s", builder.timeoutSettings.indexTimeout);

        // Test updating index timeout
        builder.indexTimeout("60s");
        assertEquals("60s", builder.timeoutSettings.indexTimeout);
    }

    @Test
    public void testBulkTimeout() {

        public TimeoutSettings() {
            // nothing
        }

        /** Search timeout. */
        protected String searchTimeout = "15s";
        /** Index timeout. */
        protected String indexTimeout = "1m";
        /** Bulk timeout. */
        protected String bulkTimeout = "1m";
        /** Indices timeout. */
        protected String indicesTimeout = "1m";
        /** Cluster timeout. */