deleteExpandInfo(oNode) {
			delete this.mPredicate2ExpandInfo[_Helper.getPrivateAnnotation(oNode, "predicate")];
			_Helper.getPrivateAnnotation(oNode, "spliced", []).forEach((oChild) => {
				this.deleteExpandInfo(oChild);
			});
		}
Deletes the expand info for the given node and all its descendants.

@param {object} oNode - The node

@public