public long getFuncCount() throws IOException {
		GoInterfaceType iface = getInterfaceType();
		GoSlice methods = iface.getMethodsSlice();
		return Math.max(1, methods.getLen());
	}
Return the number of methods implemented.

@return number of methods implemented
@throws IOException if error reading interface structure
Ghidra/Features/Base/src/main/java/ghidra/app/util/bin/format/golang/rtti/GoItab.java