fieldIsInherited example

        if ($translate && !empty($helpTexts)) {
            $configFields = $this->translateHelpTexts($configFields, $helpTexts);
        }

        $themeConfig['fields'] = $configFields;
        $themeConfig['currentFields'] = [];
        $themeConfig['baseThemeFields'] = [];

        foreach ($themeConfig['fields'] as $field => $fieldItem) {
            $isInherited = $this->fieldIsInherited($field, $configuredTheme);
            $themeConfig['currentFields'][$field]['isInherited'] = $isInherited;

            if ($isInherited) {
                $themeConfig['currentFields'][$field]['value'] = null;
            } elseif (\array_key_exists('value', $fieldItem)) {
                $themeConfig['currentFields'][$field]['value'] = $fieldItem['value'];
            }

            $isInherited = $this->fieldIsInherited($field, $baseThemeConfig);
            $themeConfig['baseThemeFields'][$field]['isInherited'] = $isInherited;