complexObject.put("nested", "value");

        dataStoreParams.put("complexKey", complexObject);
        assertEquals(complexObject, dataStoreParams.get("complexKey"));

        String asString = dataStoreParams.getAsString("complexKey");
        assertNotNull(asString);
        assertTrue(asString.contains("nested"));
    }

    // Test overwriting existing values
    @Test

import static org.mockito.Mockito.verifyNoInteractions;
import static org.mockito.Mockito.when;

import java.util.stream.Stream;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;

* Full-Featured ORM
* Associations (Has One, Has Many, Belongs To, Many To Many, Polymorphism, Single-table inheritance)
* Hooks (Before/After Create/Save/Update/Delete/Find)
* Eager loading with `Preload`, `Joins`
* Transactions, Nested Transactions, Save Point, RollbackTo to Saved Point
* Context, Prepared Statement Mode, DryRun Mode
* Batch Insert, FindInBatches, Find To Map

import java.nio.charset.StandardCharsets;
import java.util.stream.Stream;

import org.bouncycastle.asn1.ASN1ObjectIdentifier;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.Arguments;

import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import java.util.Arrays;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;
import org.mockito.ArgumentCaptor;

        }
    }

    // Test property key with dots
    @Test
    public void test_get_propertyKeyWithDots() {
        String dottedKey = "deeply.nested.property.key";
        String dottedValue = "nested-value";

        System.setProperty(Constants.FESS_CONFIG_PREFIX + dottedKey, dottedValue);

        try {
            String value = fessConfig.get(dottedKey);

import java.io.ByteArrayOutputStream;
import java.io.PrintStream;

import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.mockito.Mock;
import org.mockito.junit.jupiter.MockitoExtension;

/**
 * JUnit 5 tests for {@link TestLocking}.

import static org.mockito.Mockito.times;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Nested;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.extension.ExtendWith;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.ValueSource;

            assertNotNull(tree, "Tree should not be null in try block");
        }

        verify(autoCloseTree).close();
    }

    /**
     * Test for unwrap with nested wrapping.
     * Verifies that unwrap works correctly with multiple levels of wrapping.
     */
    @Test
    void testUnwrap_nestedWrapping() {
        // Create a chain of wrapped trees

                builder.startArray("items");
                builder.value("item1");
                builder.value("item2");
                builder.endArray();
                builder.startObject("nested");
                builder.field("inner", "value");
                builder.endObject();
                builder.endObject();
                return builder;
            }
        };

        try {