void setSignatureFieldText(String text) {
		signatureFieldText = text;
		boolean signatureTextFieldInSync =
			signatureFieldText.equals(getFunctionSignatureTextFromModel());
		if (isInParsingMode == signatureTextFieldInSync) {
			isInParsingMode = !isInParsingMode;
			notifyDataChanged();
		}
	}
Change custom storage enablement
@param b enablement state
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/core/function/editor/FunctionEditorModel.java