export default class TestClass {
    has
}

node_modules/eslint-plugin-react/lib/rules/prop-types.js:50
      if (tokens[0].value === 'propTypes' || tokens[1].value === 'propTypes') 
                                                      ^
TypeError: Cannot read property 'value' of undefined
    at isPropTypesDeclaration (node_modules/eslint-plugin-react/lib/rules/prop-types.js:50:55)
    at EventEmitter.ClassProperty (node_modules/eslint-plugin-react/lib/rules/prop-types.js:221:12)
    at EventEmitter.emit (events.js:107:17)
    at Controller.controller.traverse.enter (node_modules/eslint/lib/eslint.js:728:25)
    at Controller.__execute (node_modules/eslint/node_modules/estraverse/estraverse.js:393:31)
    at Controller.traverse (node_modules/eslint/node_modules/estraverse/estraverse.js:491:28)
    at EventEmitter.module.exports.api.verify (node_modules/eslint/lib/eslint.js:721:24)
    at processText (node_modules/eslint/lib/cli-engine.js:201:27)
    at processFile (node_modules/eslint/lib/cli-engine.js:226:12)
    at node_modules/eslint/lib/cli-engine.js:322:26