DefinitionTree {
    definitions: [
        Class(
            ClassDefinition {
                comments: CommentGroup {
                    comments: [],
                },
                attributes: [],
                modifiers: ClassModifierDefinitionGroup {
                    modifiers: [],
                },
                class: 0,
                name: Identifier {
                    position: 6,
                    value: "foo",
                },
                templates: None,
                extends: None,
                implements: None,
                body: ClassDefinitionBody {
                    left_brace: 10,
                    members: [
                        ConcreteConstructor(
                            ConcreteConstructorDefinition {
                                comments: CommentGroup {
                                    comments: [],
                                },
                                attributes: [],
                                modifiers: MethodModifierDefinitionGroup {
                                    modifiers: [
                                        Public(
                                            16,
                                        ),
                                    ],
                                },
                                function: 23,
                                name: Identifier {
                                    position: 32,
                                    value: "__construct",
                                },
                                parameters: ConstructorParameterListDefinition {
                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    left_parenthesis: 43,
                                    parameters: CommaSeparated {
                                        inner: [
                                            ConstructorParameterDefinition {
                                                attributes: [],
                                                comments: CommentGroup {
                                                    comments: [],
                                                },
                                                modifiers: PromotedPropertyModifierDefinitionGroup {
                                                    modifiers: [
                                                        Readonly(
                                                            53,
                                                        ),
                                                        Public(
                                                            62,
                                                        ),
                                                    ],
                                                },
                                                type_definition: String(
                                                    69,
                                                ),
                                                ellipsis: None,
                                                variable: Variable {
                                                    position: 76,
                                                    name: "$s",
                                                },
                                                default: Some(
                                                    FunctionLikeParameterDefaultValueDefinition {
                                                        equals: 79,
                                                        value: Literal(
                                                            String(
                                                                LiteralString {
                                                                    comments: CommentGroup {
                                                                        comments: [],
                                                                    },
                                                                    value: "'h'",
                                                                    position: 81,
                                                                },
                                                            ),
                                                        ),
                                                    },
                                                ),
                                            },
                                        ],
                                        commas: [
                                            84,
                                        ],
                                    },
                                    right_parenthesis: 90,
                                },
                                body: BlockStatement {
                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    left_brace: 92,
                                    statements: [],
                                    right_brace: 93,
                                },
                            },
                        ),
                    ],
                    right_brace: 95,
                },
            },
        ),
    ],
    eof: 97,
}