src/components/src/main/java/org/apache/jmeter/extractor/gui/XPathExtractorGui.java [152:179]:
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        return panel;
    }

    private static void addField(JPanel panel, JLabeledTextField field, GridBagConstraints gbc) {
        List<JComponent> item = field.getComponentList();
        panel.add(item.get(0), gbc.clone());
        gbc.gridx++;
        gbc.weightx = 1;
        gbc.fill=GridBagConstraints.HORIZONTAL;
        panel.add(item.get(1), gbc.clone());
    }

    private static void resetContraints(GridBagConstraints gbc) {
        gbc.gridx = 0;
        gbc.gridy++;
        gbc.weightx = 0;
        gbc.fill=GridBagConstraints.NONE;
    }

    private static void initConstraints(GridBagConstraints gbc) {
        gbc.anchor = GridBagConstraints.NORTHWEST;
        gbc.fill = GridBagConstraints.NONE;
        gbc.gridheight = 1;
        gbc.gridwidth = 1;
        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.weightx = 0;
        gbc.weighty = 0;
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src/protocol/http/src/main/java/org/apache/jmeter/protocol/http/modifier/gui/RegExUserParametersGui.java [136:164]:
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        return panel;
    }

    private static void addField(JPanel panel, JLabeledTextField field, GridBagConstraints gbc) {
        List<JComponent> item = field.getComponentList();
        panel.add(item.get(0), gbc.clone());
        gbc.gridx++;
        gbc.weightx = 1;
        gbc.fill=GridBagConstraints.HORIZONTAL;
        panel.add(item.get(1), gbc.clone());
    }

    // Next line
    private static void resetContraints(GridBagConstraints gbc) {
        gbc.gridx = 0;
        gbc.gridy++;
        gbc.weightx = 0;
        gbc.fill=GridBagConstraints.NONE;
    }

    private static void initConstraints(GridBagConstraints gbc) {
        gbc.anchor = GridBagConstraints.NORTHWEST;
        gbc.fill = GridBagConstraints.NONE;
        gbc.gridheight = 1;
        gbc.gridwidth = 1;
        gbc.gridx = 0;
        gbc.gridy = 0;
        gbc.weightx = 0;
        gbc.weighty = 0;
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