[
    Expression {
        expr: MethodCall {
            target: Variable(
                SimpleVariable(
                    SimpleVariable {
                        span: (
                            1,
                            7,
                        ),
                        name: "this",
                    },
                ),
            ),
            method: Identifier(
                SimpleIdentifier(
                    SimpleIdentifier {
                        span: (
                            1,
                            14,
                        ),
                        name: "foo",
                    },
                ),
            ),
            args: [
                Arg {
                    name: None,
                    value: VariadicPlaceholder,
                    unpack: false,
                },
            ],
        },
    },
]