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dataflow-shaded is a dataflow framework based on the javac compiler. It differs from the org.checkerframework:dataflow artifact in two ways. First, the packages in this artifact have been renamed to org.checkerframework.shaded.*. Second, unlike the dataflow artifact, this artifact contains the dependencies it requires.

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package org.checkerframework.dataflow.cfg.node;

import org.checkerframework.checker.nullness.qual.Nullable;
import org.checkerframework.dataflow.qual.SideEffectFree;

import java.util.Collection;
import java.util.Collections;

import javax.lang.model.type.TypeMirror;

/**
 * A node for a reference to 'this', either implicit or explicit.
 *
 *  *   this
 * 
 */
public abstract class ThisNode extends Node {

    protected ThisNode(TypeMirror type) {
        super(type);
    }

    @Override
    public boolean equals(@Nullable Object obj) {
        return obj instanceof ThisNode;
    }

    @Override
    public int hashCode() {
        return 3559101; // Objects.hash("this");
    }

    @Override
    @SideEffectFree
    public Collection getOperands() {
        return Collections.emptyList();
    }
}