private void addResult(String name, DataType dataType, Address addr, String calledFuncName) {
		PushedParamInfo param = new PushedParamInfo(name, dataType, addr, calledFuncName);
		results.add(param);
	}
This will return true if enough pushes before top of function.
This will return false if not enough pushes or if not a function.
Ghidra/Features/MicrosoftCodeAnalyzer/src/main/java/ghidra/app/plugin/prototype/MicrosoftCodeAnalyzerPlugin/PropagateExternalParametersAnalyzer.java