Bug Report

Current Behavior
syntax error

Input Code

import foo = require('f');
export { foo } // Export 'foo' is not defined

Expected behavior/code
no error

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

Environment

• Babel version(s): 7.4.5
• Node/npm version: Node 11.13 / npm 6.7

Possible Solution
In tsParseImportEqualsDeclaration()
call checkLVal() or scope.declareName()