XQuery code completion
Usage
Code completion suggestions can be triggered by Ctl-space

Details
There are several types of completion. The context position is used to determine which to run.
Type completions
If the previous token was as then type completions are displayed. Examples include:
* let $a as|
* declare variable $a as|
* declare function local:f( $a as|
* declare function local:f( $a as item()) as|