public Symbol getSymbol() {
		// We use an odd inheritance hierarchy, where all nodes share this interface.  Not all
		// nodes have symbols, like a category node.  Stub this method out here and allow 
		// symbol nodes to return their value.
		return null;
	}
Returns the symbol for this node, if it has one.

@return the symbol for this node; null if it not associated with a symbol
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/symboltree/nodes/SymbolTreeNode.java