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The Checker Framework enhances Java’s type system to make it more powerful and useful. This lets software developers detect and prevent errors in their Java programs. The Checker Framework includes compiler plug-ins ("checkers") that find bugs or verify their absence. It also permits you to write your own compiler plug-ins.

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package org.checkerframework.dataflow.cfg.node;

import javax.lang.model.type.TypeMirror;

import com.sun.source.tree.Tree;

/**
 * A node to model the implicit this, e.g., in a field access.
 *
 * @author Stefan Heule
 *
 */
public class ImplicitThisLiteralNode extends ThisLiteralNode {

    public ImplicitThisLiteralNode(TypeMirror type) {
        super(type);
    }

    @Override
    public Tree getTree() {
        return null;
    }

    @Override
    public  R accept(NodeVisitor visitor, P p) {
        return visitor.visitImplicitThisLiteral(this, p);
    }

    @Override
    public String toString() {
        return "(" + getName() + ")";
    }
}