Cannot find module 'vscode' or its corresponding type declarations.

Cannot find module 'assert' or its corresponding type declarations.

Cannot find module 'vscode' or its corresponding type declarations.

Cannot find name 'suite'. Do you need to install type definitions for a test runner? Try `npm i --save-dev @types/jest` or `npm i --save-dev @types/mocha`.

Cannot find name 'test'. Do you need to install type definitions for a test runner? Try `npm i --save-dev @types/jest` or `npm i --save-dev @types/mocha`.

File '@gemjs/config/tsconfig' not found.

'Symbol' only refers to a type, but is being used as a value here. Do you need to change your target library? Try changing the 'lib' compiler option to es2015 or later.

Private identifiers are only available when targeting ECMAScript 2015 and higher.

Private identifiers are only available when targeting ECMAScript 2015 and higher.