@Override
	public void add(FieldPanel fp) {
		// Adjust our locked line number array.
		BigInteger[] newLineNumbers = new BigInteger[lockedLineNumbers.length + 1];
		System.arraycopy(lockedLineNumbers, 0, newLineNumbers, 0, lockedLineNumbers.length);
		newLineNumbers[panels.length] = BigInteger.valueOf(0L);
		lockedLineNumbers = newLineNumbers;

		// The super class will adjust the field panel array.
		super.add(fp);
	}
Adds the given field panel to the list of panels to coordinate.
@param fp the field panel to add.
Ghidra/Framework/Docking/src/main/java/docking/widgets/fieldpanel/internal/LineLockedFieldPanelCoordinator.java