import java.awt.Component; package org.mozilla.javascript.tools.debugger; import java.awt.Component; import javax.swing.tree.*; package org.mozilla.javascript.tools.debugger; import javax.swing.tree.*; import javax.swing.*; package org.mozilla.javascript.tools.debugger; import javax.swing.*; import javax.swing.tree.TreeModel; package org.mozilla.javascript.tools.debugger; import javax.swing.tree.TreeModel; import javax.swing.JTree; package org.mozilla.javascript.tools.debugger; import javax.swing.JTree;