DefinitionTree {
    definitions: [
        Function(
            FunctionDefinition {
                comments: CommentGroup {
                    comments: [],
                },
                attributes: [],
                function: Keyword {
                    value: "function",
                    position: 0,
                },
                name: Identifier {
                    position: 9,
                    value: "foo",
                },
                templates: None,
                parameters: FunctionLikeParameterListDefinition {
                    comments: CommentGroup {
                        comments: [],
                    },
                    left_parenthesis: 12,
                    parameters: CommaSeparated {
                        inner: [],
                        commas: [],
                    },
                    right_parenthesis: 13,
                },
                return_type: FunctionLikeReturnTypeDefinition {
                    colon: 14,
                    type_definition: Void(
                        Keyword {
                            value: "void",
                            position: 16,
                        },
                    ),
                },
                body: BlockStatement {
                    comments: CommentGroup {
                        comments: [],
                    },
                    left_brace: 21,
                    statements: [
                        While(
                            WhileStatement {
                                comments: CommentGroup {
                                    comments: [],
                                },
                                while: Keyword {
                                    value: "while",
                                    position: 27,
                                },
                                conditions: CommaSeparated {
                                    inner: [],
                                    commas: [],
                                },
                                block: BlockStatement {
                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    left_brace: 33,
                                    statements: [],
                                    right_brace: 44,
                                },
                            },
                        ),
                        While(
                            WhileStatement {
                                comments: CommentGroup {
                                    comments: [],
                                },
                                while: Keyword {
                                    value: "while",
                                    position: 55,
                                },
                                conditions: CommaSeparated {
                                    inner: [
                                        Variable(
                                            Variable {
                                                position: 61,
                                                name: "$a",
                                            },
                                        ),
                                    ],
                                    commas: [
                                        63,
                                    ],
                                },
                                block: BlockStatement {
                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    left_brace: 65,
                                    statements: [],
                                    right_brace: 76,
                                },
                            },
                        ),
                        While(
                            WhileStatement {
                                comments: CommentGroup {
                                    comments: [],
                                },
                                while: Keyword {
                                    value: "while",
                                    position: 87,
                                },
                                conditions: CommaSeparated {
                                    inner: [
                                        Variable(
                                            Variable {
                                                position: 93,
                                                name: "$a",
                                            },
                                        ),
                                        Variable(
                                            Variable {
                                                position: 97,
                                                name: "$b",
                                            },
                                        ),
                                        Variable(
                                            Variable {
                                                position: 101,
                                                name: "$c",
                                            },
                                        ),
                                    ],
                                    commas: [
                                        95,
                                        99,
                                        103,
                                    ],
                                },
                                block: BlockStatement {
                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    left_brace: 105,
                                    statements: [],
                                    right_brace: 116,
                                },
                            },
                        ),
                    ],
                    right_brace: 118,
                },
            },
        ),
    ],
    eof: 120,
}