private void returnToCache(BufferNode node, DataBuffer buf) {
// ?? Should not happen
		if (node.buffer != null || buf == null) {
			throw new AssertException();
		}

		node.buffer = buf; // TODO: Set buffer ID
		node.addToCache(cacheHead);
		++buffersOnHand;
	}
Return the specified node to cache with the associated buffer object.
@param node node to be cached
@param buf buffer object
Ghidra/Framework/DB/src/main/java/db/buffers/BufferMgr.java