header: legacyPlugin()

in eslint.config.js [44:55]


      header: legacyPlugin('eslint-plugin-header', 'header'),
      import: legacyPlugin('eslint-plugin-import', 'import'),
      prettier
    },
    extends: [
      eslintJs.configs.recommended,
      ...eslintTs.configs.recommended,
      ...eslintTs.configs.stylistic,
      ...angular.configs.tsRecommended
    ],
    processor: angular.processInlineTemplates,
    rules: {