VarRef p1 = new VarRef(v1);
List<VarRef> params = new LinkedList<VarRef>();
params.add(p1);
// function
QualifiedName fname = QNameTable.instantiate("java:java.lang.Math", "sqrt");
Function f = new FunctionManager().lookupFunction(fname, params);
assertNotNull(f);
f.staticAnalysis(null, params);
// invoke binded java method.
Method bindedMethod = (Method) PrivilegedAccessor.getValue(f, "bindedMethod");