Bug Report

Current Behavior
Babel throws Unexpected token, expected "(" when encounters this piece of code:

class A extends B {
  async method?(val: string): Promise<void>;
              ^
}

Expected behavior/code
This code should be parsed successfully

Babel Configuration (.babelrc, package.json, cli command)

module.exports = {
  presets: [
    [
      '@babel/preset-env',
      {
        targets: {
          node: 'current',
        },
      },
    ],
    '@babel/preset-typescript',
  ],
  ignore: ['node_modules'],
};

Environment

• Babel version(s): 7.4.0
• Node/npm version: 10.16.3
• OS: Windows 10
• Monorepo: no
• How you are using Babel: cli