Optional ReadonlyconnectionRepresents an abstract language server connection
Factory function to create a FileSystemProvider.
Langium exposes an EmptyFileSystem and NodeFileSystem, exported through langium/node.
When running Langium as part of a vscode language server or a Node.js app, using the NodeFileSystem is recommended,
the EmptyFileSystem in every other use case.
Context required for creating the default shared dependency injection module.