synchronized ItemCheckoutStatus getCheckout(long checkoutId) throws IOException {
		validate();
		return checkouts.get(checkoutId);
	}
Returns the checkout data corresponding to the specified checkout ID.
Null is returned if checkout ID is not found.

@param checkoutId checkout ID
Ghidra/Framework/FileSystem/src/main/java/ghidra/framework/store/local/CheckoutManager.java