in src/main/java/org/apache/sling/scripting/api/AbstractScriptEngineFactory.java [187:196]
public String getMethodCallSyntax(String obj, String m, String... args) {
StringBuilder callSyntax = new StringBuilder();
callSyntax.append(obj).append('.').append(m).append('(');
for (int i = 0; args != null && i < args.length; i++) {
if (i > 0) callSyntax.append(',');
callSyntax.append(args[i]);
}
callSyntax.append(')');
return callSyntax.toString();
}