public int getDepth() {
		return properties.depth();
	}
Gets the depth of the {@link SwiftNode} in the demangled symbol tree (root depth is 0)

@return The depth of the {@link SwiftNode} in the demangled symbol tree (root depth is 0)
Ghidra/Features/SwiftDemangler/src/main/java/ghidra/app/util/demangler/swift/nodes/SwiftNode.java