Collapse based on level

steven,

Rider includes similar behavior by default - you can collapse sections of the document via Collapse Recursively/Collapse All/Collapse to Definitions (depending on your use case) and expand to a specific level via Expand all to level. You can find more information about these actions and their shortcuts in Commands of the Folding menu and associated shortcuts.

Note that you can switch between different default keymaps using the dropdown at the top of the page.