private static OORexxExpose parseExposeInMethodDirective(String line){
if(!line.toLowerCase().contains(" expose")) return null;
OORexxExpose expose = new OORexxExpose();
String[] exposeVars = line.substring(line.toLowerCase().indexOf(" expose") + 7, line.indexOf(")")).replace("(", "").replace(")", "").trim().split(",");
for(String var: exposeVars)
expose.appendVariable(new OORexxVariable(var.trim()));
return expose;
}