java-symbol-solver-core/src/main/java/com/github/javaparser/symbolsolver/javaparsermodel/JavaParserFacade.java
public ResolvedType getTypeOfThisIn(Node node) {
        // TODO consider static methods
        if (node instanceof ClassOrInterfaceDeclaration) {
            return new ReferenceTypeImpl(getTypeDeclaration((ClassOrInterfaceDeclaration) node), typeSolver);
        } else if (node instanceof EnumDeclaration) {
            JavaParserEnumDeclaration enumDeclaration = new JavaParserEnumDeclaration((EnumDeclaration) node, typeSolver);
            return new ReferenceTypeImpl(enumDeclaration, typeSolver);
        } else if (node instanceof ObjectCreationExpr && ((ObjectCreationExpr) node).getAnonymousClassBody().isPresent()) {
            JavaParserAnonymousClassDeclaration anonymousDeclaration = new JavaParserAnonymousClassDeclaration((ObjectCreationExpr) node, typeSolver);
            return new ReferenceTypeImpl(anonymousDeclaration, typeSolver);
        } else {
            return getTypeOfThisIn(getParentNode(node));
        }
    }
public ResolvedType getTypeOfThisIn(Node node) {
        // TODO consider static methods
        if (node instanceof ClassOrInterfaceDeclaration) {
            return new ReferenceTypeImpl(getTypeDeclaration((ClassOrInterfaceDeclaration) node), typeSolver);
        } else if (node instanceof EnumDeclaration) {
            JavaParserEnumDeclaration enumDeclaration = new JavaParserEnumDeclaration((EnumDeclaration) node, typeSolver);
            return new ReferenceTypeImpl(enumDeclaration, typeSolver);
        } else if (node instanceof ObjectCreationExpr && ((ObjectCreationExpr) node).getAnonymousClassBody().isPresent()) {
            JavaParserAnonymousClassDeclaration anonymousDeclaration = new JavaParserAnonymousClassDeclaration((ObjectCreationExpr) node, typeSolver);
            return new ReferenceTypeImpl(anonymousDeclaration, typeSolver);
        } else {
            return getTypeOfThisIn(getParentNode(node));
        }
    }
"this" inserted in the given point, which type would have?