AssistContext assistContext = new AssistContext(compilationUnit, null, sourceRange.getOffset(),
sourceRange.getLength());
ASTNode node = assistContext.getCoveringNode();
if (node instanceof SingleVariableDeclaration) {
SingleVariableDeclaration varDecl = (SingleVariableDeclaration) node;
Set<Annotation> annotations = ProposalCalculatorUtil.findAnnotations("PathVariable", varDecl);
SimpleName varDeclName = varDecl.getName();
String varName = varDeclName.getFullyQualifiedName();
String pathVariableName = varName;
StringLiteral pathVariableLiteral = null;