[SALSA] @callback's @param tags should not require names

<!-- 🚨 STOP 🚨 𝗦𝗧𝗢𝗣 🚨 𝑺𝑻𝑶𝑷 🚨 Half of all issues filed here are duplicates, answered in the FAQ, or not appropriate for the bug tracker. Even if you think you've found a *bug*, please read the FAQ first, especially the Common "Bugs" That Aren't Bugs section! Please help us by doing the following steps before logging an issue: * Search: https://github.com/Microsoft/TypeScript/search?type=Issues * Read the FAQ: https://github.com/Microsoft/TypeScript/wiki/FAQ Please fill in the *entire* template below. --> <!-- Please try to reproduce the issue with `typescript@next`. It may have already been fixed. --> **TypeScript Version:** 2.9.0-dev.20180518 <!-- Search terms you tried before logging this (so others can find this issue more easily) --> **Search Terms:** `@callback` `@params` duplicate identifier error **Code** ```js /** * @callback ModuleSortPredicate * @param {Module} a * @param {Module} b * @returns {-1|0|1} */ /** * @callback ModuleFilterPredicate * @param {Module} * @param {Chunk} * @returns {boolean} */ /** * @callback ChunkFilterPredicate * @param {Chunk} c * @returns {boolean} */ ``` **Expected behavior:** No errors, or syntax highlighting errors. **Actual behavior:** ``` lib/Chunk.js:44:18 - error TS1003: Identifier expected. 44 * @param {Chunk} lib/Chunk.js:44:18 - error TS2300: Duplicate identifier '(Missing)'. 44 * @param {Chunk} ``` **Playground Link:** <!-- A link to a TypeScript Playground "Share" link which demonstrates this behavior --> **Related Issues:** <!-- Did you find other bugs that looked similar? --> Here is an image of it in action. I'm not sure if it is interaction with other things at the same time. I'm happy to pull information for you @sandersn. If you goto webpack/webpack#feature/type-compiler-compilation-save branch you can go to those lines of the code and test it as well.