collections/Tree.js
/**
		 * Removes the current node from the parent tree. Use on a root node
		 * has no effect.
		 *
		 * @public
		 */
Removes the current node from the parent tree. Use on a root node
has no effect.

@public
Removes the current node from the parent tree . Use on a root node has no effect . @public
sever() {
			if (this.getIsRoot()) {
				return;
			}
			this.getParent().removeChild(this);
		}
sever ( ) { if ( this . getIsRoot ( ) ) { return ; } this . getParent ( ) . removeChild ( this ) ; }
Removes the current node from the parent tree.
Removes the current node from the parent tree .