public void beforeMutate(Describable displayName) {
            if (disallowChanges) {
                throw new IllegalStateException(String.format("The value for %s cannot be changed any further.", displayName.getDisplayName()));
            }
        }

        @Override
        public void disallowChanges() {
            disallowChanges = true;
        }

        @Override

                finalizeNow(context, ValueConsumer.IgnoreUnsafeRead);
            }
        }
    }

    @Override
    public void disallowChanges() {
        state.disallowChanges();
    }

    @Override
    public void finalizeValueOnRead() {
        state.finalizeOnNextGet();
    }

    @Override
    public void implicitFinalizeValue() {

        valueState = valueState.finalState();
    }

    public boolean isFinalizing() {
        return valueState.isFinalizing();
    }

    @Override
    public void disallowChanges() {
        valueState.disallowChanges();
    }

    @Override
    public void finalizeValueOnRead() {
        valueState.finalizeOnNextGet();
    }

    @Override
    public void implicitFinalizeValue() {

def provider = providers.provider { [++counter, ++counter] }

def property = objects.listProperty(Integer)
property.set(provider)

assert property.get() == [1, 2]
assert property.get() == [3, 4]
property.disallowChanges()
assert property.get() == [5, 6]
assert property.get() == [7, 8]

property.set([1])
"""

        when:
        fails()

        then: