public VisibilityMode getVisible() {
		if (linker.isVisible()) {
			if (assembly.isVisible()) {
				throw new AssertionError();
			}
			return VisibilityMode.DUAL_VISIBLE;
		}

		if (assembly.isVisible()) {
			return VisibilityMode.SINGLE_VISIBLE;
		}
		return VisibilityMode.INVISIBLE;
	}
Get the visibility of the text box(es)

<p>
<b>NOTE:</b> This method assumes nothing else changes the visibility of the text boxes. If
anything else does, then it should be sure to maintain a configuration consistent with one of
the {@link VisibilityMode}s.

@return the current mode
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/assembler/AssemblyDualTextField.java