protected static function get_css_declarations( $style_value, $style_definition, $options = array() ) {
    if ( isset( $style_definition['value_func'] ) && is_callable( $style_definition['value_func'] ) ) {
      return call_user_func( $style_definition['value_func'], $style_value, $style_definition, $options );
    }

    $css_declarations     = array();
    $style_property_keys  = $style_definition['property_keys'];
    $should_skip_css_vars = isset( $options['convert_vars_to_classnames'] ) && true === $options['convert_vars_to_classnames'];

    /*
		 * Build CSS var values from `var:preset|<PRESET_TYPE>|<PRESET_SLUG>` values, e.g, `var(--wp--css--rule-slug )`.
		 * Check if the value is a CSS preset and there's a corresponding css_var pattern in the style definition.
		 */
    if ( is_string( $style_value ) && str_contains( $style_value, 'var:' ) ) {
      if ( ! $should_skip_css_vars && ! empty( $style_definition['css_vars'] ) ) {
        $css_var = static::get_css_var_value( $style_value, $style_definition['css_vars'] );
        if ( static::is_valid_style_value( $css_var ) ) {
          $css_declarations[ $style_property_keys['default'] ] = $css_var;
        }
      }
      return $css_declarations;
    }

    /*
		 * Default rule builder.
		 * If the input contains an array, assume box model-like properties
		 * for styles such as margins and padding.
		 */
    if ( is_array( $style_value ) ) {
      // Bail out early if the `'individual'` property is not defined.
      if ( ! isset( $style_property_keys['individual'] ) ) {
        return $css_declarations;
      }

      foreach ( $style_value as $key => $value ) {
        if ( is_string( $value ) && str_contains( $value, 'var:' ) && ! $should_skip_css_vars && ! empty( $style_definition['css_vars'] ) ) {
          $value = static::get_css_var_value( $value, $style_definition['css_vars'] );
        }

        $individual_property = sprintf( $style_property_keys['individual'], _wp_to_kebab_case( $key ) );

        if ( $individual_property && static::is_valid_style_value( $value ) ) {
          $css_declarations[ $individual_property ] = $value;
        }
      }

      return $css_declarations;
    }

    $css_declarations[ $style_property_keys['default'] ] = $style_value;
    return $css_declarations;
  }