@Input
                input
            }

            class OtherNestedBean {
                @Input
                secondInput
            }

            task test(type: TaskWithNestedBean) {
                beans = [new NestedBean(input: 'someString'), new OtherNestedBean(secondInput: 'otherString')]
            }
            task printMetadata(type: PrintInputsAndOutputs) {

            }

            class OtherNestedBean {
                @Input
                input
            }

            boolean useOther = providers.gradleProperty('useOther').present

            task myTask(type: TaskWithNestedInput) {
                outputFile = file('build/output.txt')
                nested = useOther ? new OtherNestedBean(input: 'string') : new NestedBean(input: 'string')