if (updateIndices.size() != EXPECTED_INDEX_COUNT) {
                if (logger.isDebugEnabled()) {
                    logger.debug("Unexpected number of update indices: expected={}, actual={}, updateAlias={}, indices={}",
                            EXPECTED_INDEX_COUNT, updateIndices.size(), updateAlias, updateIndices);
                }

        suggester.shutdown();
    }

    /**
     * Test EXPECTED_INDEX_COUNT constant value.
     * Verifies that the constant is properly defined with expected value.
     */
    @Test
    public void testExpectedIndexCountConstant() throws Exception {
        final Field field = Suggester.class.getDeclaredField("EXPECTED_INDEX_COUNT");
        field.setAccessible(true);
        final int value = (int) field.get(null);

```java
// Field names (FieldNames.java)
TEXT, READING_PREFIX, QUERY_FREQ, DOC_FREQ, USER_BOOST, KINDS, TIMESTAMP

// Default values
MAX_READING_NUM = 10
PREFIX_MATCH_WEIGHT = 2.0f
EXPECTED_INDEX_COUNT = 1

// Default timeouts
searchTimeout: 15s
indexTimeout: 1m
bulkTimeout: 1m
```

### Common Workflows

**Index Lifecycle:**
```java