Java's package system has its own problems, and all of those examples you gave are very straightforward. 1. Import the default export as the name `x`. 2. Impo

Java's package system has its own problems, and all of those examples you gave are very straightforward. 1. Import the default export as the name `x`. 2. Import named export `x` as the name `x`. 3. Import all of the named exports under an object named `x`. 4. Import named export `x` as the name `y`.