'style' => null,
			);
		}

		$preset_prefix = 'var(--wp--preset--font-size--';

		if ( str_starts_with( $theme_font_size, $preset_prefix ) ) {
			$slug = rtrim( substr( $theme_font_size, strlen( $preset_prefix ) ), ')' );

			return array(
				'class' => sprintf( 'has-font-size has-%s-font-size', $slug ),
				'style' => null,
			);
		}

		return array(
			'class' => null,
			'style' => sprintf( 'font-size: %s;', $theme_font_size ),
		);
	}
}