Abstract class for tree actions that find and return a node.
Set focus on the first of the node's focusable children. This will be done lazily during the next draw.
Set focus on the given node, if focusable, or the first of its focusable children. This will be done lazily during the next draw.
Set focus on the first of the node's focusable children. This will be done lazily during the next draw.
Wait for the next frame. This action is a polyfill that can be used in tree action chains to make sure they're added during beforeTree.
Scroll so the given node becomes visible.
Scroll so that the given node appears at the top, if possible.
Definitions for common tree actions; This is the Fluid tree equivalent to std.algorithm.