[
    Expression {
        expression: NullsafePropertyFetch {
            target: Variable(
                SimpleVariable(
                    SimpleVariable {
                        span: (
                            1,
                            7,
                        ),
                        name: "a",
                    },
                ),
            ),
            property: Identifier(
                SimpleIdentifier(
                    SimpleIdentifier {
                        span: (
                            1,
                            12,
                        ),
                        value: "b",
                    },
                ),
            ),
        },
        end: (
            1,
            13,
        ),
    },
]
