@Override
	public int[] getBufferReferences() {
		int[] ids = new int[keyCount];
		for (int i = 0; i < keyCount; i++) {
			ids[i] = getBufferId(i);
		}
		return ids;
	}
Move some or all of the keys from the right node into the left node.
If all keys are moved, the caller is responsible for deleting the right
node.
@param leftNode
@param rightNode
@param count
Ghidra/Framework/DB/src/main/java/db/VarKeyInteriorNode.java