Steps to Reproduce:

1.create simple behaviors

2.add the "@minecraft/server" dependency to the manifest

3.create an Index.js script and activate the script in the manifest

4.then try importing the BlockLocation class from the "minecraft/server" module to the index.js file earlier 

5. Create a world and install the behavior script earlier

Observed Results:

BlockLocation class could not be found in module "@minecraft/server"

Expected Results:

there should be a BlockLocation class and it can be imported from the "minecraft/server" module

Notes:

this also happens in the BlockRayCastOptions interface