atabase abstraction object.
	 *
	 * @param string   $column  The column to query against. Needs to be pre-validated!
	 * @param string   $compare The comparison operator. Needs to be pre-validated!
	 * @param int|null $hour    Optional. An hour value (0-23).
	 * @param int|null $minute  Optional. A minute value (0-59).
	 * @param int|null $second  Optional. A second value (0-59).
	 * @return string|false A query part or false on failure.
	 */
	public function build_time_query( $column, $compare, $hour = null, $minute = null, $second = null ) {
		global $wpdb;

		// Have to have at least one.
		if ( ! isset( $hour ) && ! isset( $minute ) && ! isset( $second ) ) {
			return false;
		}

		// Complex combined queries aren't supported for multi-value queries.
		if ( in_array( $compare, array( 'IN', 'NOT IN', 'BETWEEN', 'NOT BETWEEN' ), true ) ) {
			$return = array();

			$value = $this->build_value( $compare, $hour );
			if ( false !== $value ) {
				$return[] = "HOUR( $column ) $compare $value";
			}

			$value = $this->build_value( $compare, $minute );
			if ( false !== $value ) {
				$return[] = "MINUTE( $column ) $compare $value";
			}

			$value = $this->build_value( $compare, $second );
			if ( false !== $value ) {
				$return[] = "SECOND( $column ) $compare $value";
			}

			return implode( ' AND ', $return );
		}

		// Cases where just one unit is set.
		if ( isset( $hour ) && ! isset( $minute ) && ! isset( $second ) ) {
			$value = $this->build_value( $compare, $hour );
			if ( false !== $value ) {
				return "HOUR( $column ) $compare $value";
			}
		} elseif ( ! isset( $hour ) && isset( $minute ) && ! isset( $second ) ) {
			$value = $this->build_value( $compare, $minute );
			if ( false !== $value ) {
				return "MINUTE( $column ) $compare $value";
			}
		} elseif ( ! isset( $hour ) && ! isset( $minute ) && isset( $second ) ) {
			$value = $this->build_value( $compare, $second );
			if ( false !== $value ) {
				return "SECOND( $column ) $compare $value";
			}
		}

		// Single units were already handled. Since hour & second isn't allowed, minute must to be set.
		if ( ! isset( $minute ) ) {
			return false;
		}

		$format = '';
		$time   = '';

		// Hour.
		if ( null !== $hour ) {
			$format .= '%H.';
			$time   .= sprintf( '%02d', $hour ) . '.';
		} else {
			$format .= '0.';
			$time   .= '0.';
		}

		// Minute.
		$format .= '%i';
		$time   .= sprintf( '%02d', $minute );

		if ( isset( $second ) ) {
			$format .= '%s';
			$time   .= sprintf( '%02d', $second );
		}

		return $wpdb->prepare( "DATE_FORMAT( $column, %s ) $compare %f", $format, $time );
	}

	/**
	 * Sanitizes a 'relation' operator.
	 *
	 * @since 6.0.3
	 *
	 * @param string $relation Raw relation key from the query argument.
	 * @return string Sanitized relation. Either 'AND' or 'OR'.
	 */
	public function sanitize_relation( $relation ) {
		if ( 'OR' === strtoupper( $relation ) ) {
			return 'OR';
		} else {
			return 'AND';
		}
	}
}
$from, $to );
		}

		return $keys;
	}

	private static function yoast_duplicate_post() {
		add_filter( 'duplicate_post_excludelist_filter', function( $meta_excludelist ) {
			$exclude_list = [
				Document::TYPE_META_KEY,
				'_elementor_page_assets',
				'_elementor_controls_usage',
				'_elementor_css',
				'_elementor_screenshot',
			];

			return array_merge( $meta_excludelist, $exclude_list );
		} );

		add_action( 'duplicate_post_post_copy', function( $new_post_id, $post ) {
			$original_template_type = get_post_meta( $post->ID, Document::TYPE_META_KEY, true );
			if ( ! empty( $original_template_type ) ) {
				update_post_meta( $new_post_id, Document::TYPE_META_KEY, $original_template_type );
			}
		}, 10, 2 );
	}

	/**
	 * Process post meta before WP importer.
	 *
	 * Normalize Elementor post meta on import, We need the `wp_slash` in order
	 * to avoid the unslashing during the `add_post_meta`.
	 *
	 * Fired by `wp_import_post_meta` filter.
	 *
	 * @since 1.0.0
	 * @access public
	 * @static
	 *
	 * @param array $post_meta Post meta.
	 *
	 * @return array Updated post meta.
	 */
	public static function on_wp_import_post_meta( $post_meta ) {
		$is_wp_importer_before_0_7 = self::is_wp_importer_before_0_7();

		if ( $is_wp_importer_before_0_7 ) {
			foreach ( $post_meta as &$meta ) {
				if ( '_elementor_data' === $meta['key'] ) {
					$meta['value'] = wp_slash( $meta['value'] );
					break;
				}
			}
		}

		return $post_meta;
	}

	/**
	 * Is WP Importer Before 0.7
	 *
	 * Checks if WP Importer is installed, and whether its version is older than 0.7.
	 *
	 * @return bool
	 */
	public static function is_wp_importer_before_0_7() {
		$wp_importer = get_plugins( '/wordpress-importer' );

		if ( ! empty( $wp_importer ) ) {
			$wp_importer_version = $wp_importer['wordpress-importer.php']['Version'];

			if ( version_compare( $wp_importer_version, '0.7', '<' ) ) {
				return true;
			}
		}

		return false;
	}

	/**
	 * Process post meta before WXR importer.
	 *
	 * Normalize Elementor post meta on import with the new WP_importer, We need
	 * the `wp_slash` in order to avoid the unslashing during the `add_post_meta`.
	 *
	 * Fired by `wxr_importer.pre_process.post_meta` filter.
	 *
	 * @since 1.0.0
	 * @access public
	 * @static
	 *
	 * @param array $post_meta Post meta.
	 *
	 * @return array Updated post meta.
	 */
	public static function on_wxr_importer_pre_process_post_meta( $post_meta ) {
		$is_wp_importer_before_0_7 = self::is_wp_importer_before_0_7();

		if ( $is_wp_importer_before_0_7 ) {
			if ( '_elementor_data' === $post_meta['key'] ) {
				$post_meta['value'] = wp_slash( $post_meta['value'] );
			}
		}

		return $post_meta;
	}
}