Currently as a minimum viable implementation it uses a configured regex to search for calls on objects to
query or withPreparedStatement and then tries to the parse the following string literal as a SQL query.
It will then provide some auto-completion depending on where your cursor is in the query. You can customize the
regex used to find queries.
At the moment, you can only get auto complete in your ECSQL in vscode by setting the following vscode setting.