*
     * @param allPageCount the total page count to set
     */
    public void setAllPageCount(final int allPageCount) {
        this.allPageCount = allPageCount;
    }

    /**
     * Checks if a previous page exists for pagination.
     *
     * @return true if a previous page exists, false otherwise
     */
    public boolean isExistPrePage() {
        return existPrePage;
    }

    /**

     * @param allPageCount The total page count.
     */
    public void setAllPageCount(final int allPageCount) {
        this.allPageCount = allPageCount;
    }

    /**
     * Checks if there is a previous page.
     * @return True if a previous page exists, false otherwise.
     */
    public boolean isExistPrePage() {
        return existPrePage;
    }

    /**

     *
     * @param allPageCount The total page count to set
     */
    public void setAllPageCount(final int allPageCount) {
        this.allPageCount = allPageCount;
    }

    /**
     * Checks if a previous page exists.
     *
     * @return true if a previous page exists, false otherwise
     */
    public boolean isExistPrePage() {
        return existPrePage;
    }

    /**

     *
     * @param allPageCount The total page count
     */
    public void setAllPageCount(final int allPageCount) {
        this.allPageCount = allPageCount;
    }

    /**
     * Checks if a previous page exists.
     *
     * @return True if a previous page exists, false otherwise
     */
    public boolean isExistPrePage() {
        return existPrePage;
    }

    /**

import static com.google.common.base.Preconditions.checkState;

import com.google.common.annotations.GwtCompatible;
import com.google.errorprone.annotations.CanIgnoreReturnValue;

/** Precondition checks useful in collection implementations. */
@GwtCompatible
final class CollectPreconditions {

  static void checkEntryNotNull(Object key, Object value) {
    if (key == null) {

     * This class is designed to be used statically.
     */
    protected ResourceUtil() {
        // nothing
    }

    /**
     * Gets the HTTP URL for the OpenSearch (Fesen) server.
     * First checks for a system-configured search engine address,
     * then falls back to the URL configured in FessConfig.
     *
     * @return the HTTP URL for the OpenSearch server
     */
    public static String getFesenHttpUrl() {

        return output;
    }

    /**
     * Checks whether this mapping item has pending updates.
     *
     * @return true if both newInputs and newOutput are not null, indicating pending updates
     */
    public boolean isUpdated() {
        return newInputs != null && newOutput != null;
    }

    /**
     * Checks whether this mapping item is marked for deletion.

    }

    @Test
    @DisplayName("Arrays: non-null, same length, and exact contents")
    void arrays_are_well_formed_and_match() {
        // Validate arrays existence and alignment (edge and structure checks)
        assertNotNull(WinError.WINERR_CODES, "WINERR_CODES should not be null");
        assertNotNull(WinError.WINERR_MESSAGES, "WINERR_MESSAGES should not be null");

    /**
     * Interval in milliseconds between crawler thread executions.
     * Used to control the rate at which new crawler threads are started
     * and the frequency of status checks.
     */
    protected long crawlingExecutionInterval = Constants.DEFAULT_CRAWLING_EXECUTION_INTERVAL;

    /**
     * Thread priority for crawler threads.
     * Defaults to normal thread priority.
     */

package tests_test

import (
	"testing"
	"gorm.io/gorm"
)

type Man struct {
	ID     int
	Age    int
	Name   string
	Detail string
}

// Panic-safe BeforeUpdate hook that checks for Changed("age")
func (m *Man) BeforeUpdate(tx *gorm.DB) (err error) {
	if !tx.Statement.Changed("age") {
		return nil
	}
	return nil
}

func TestSubModel(t *testing.T) {
	man := Man{Age: 18, Name: "random-name"}