WP_Style_Engine_CSS_Rule::add_declarations( string[]|WP_Style_Engine_CSS_Declarations $declarations ): WP_Style_Engine_CSS_Rule

90	public function add_declarations( $declarations ) {91		$is_declarations_object = ! is_array( $declarations );92		$declarations_array     = $is_declarations_object ? $declarations->get_declarations() : $declarations;93		$declaration_options    = $is_declarations_object ? $declarations->get_declaration_options() : array();94 95		if ( null === $this->declarations ) {96			if ( $is_declarations_object ) {97				$this->declarations = $declarations;98				return $this;99			}100			$this->declarations = new WP_Style_Engine_CSS_Declarations();101		}102 103		foreach ( $declarations_array as $property => $value ) {104			$this->declarations->add_declaration(105				$property,106				$value,107				$declaration_options[ $property ] ?? array()108			);109		}110 111		return $this;112	}