DefinitionTree {
    definitions: [
        Function(
            FunctionDefinition {
                comments: CommentGroup {
                    comments: [],
                },
                attributes: [],
                function: Keyword {
                    value: "function",
                    position: 0,
                },
                name: Identifier {
                    position: 9,
                    value: "example",
                },
                templates: None,
                parameters: FunctionLikeParameterListDefinition {
                    comments: CommentGroup {
                        comments: [],
                    },
                    left_parenthesis: 16,
                    parameters: CommaSeparated {
                        inner: [],
                        commas: [],
                    },
                    right_parenthesis: 17,
                },
                return_type: FunctionLikeReturnTypeDefinition {
                    colon: 18,
                    type_definition: Void(
                        Keyword {
                            value: "void",
                            position: 20,
                        },
                    ),
                },
                body: BlockStatement {
                    comments: CommentGroup {
                        comments: [],
                    },
                    left_brace: 25,
                    statements: [
                        Using(
                            UsingStatement {
                                comments: CommentGroup {
                                    comments: [],
                                },
                                using: Keyword {
                                    value: "using",
                                    position: 31,
                                },
                                assignments: CommaSeparated {
                                    inner: [
                                        UsingAssignmentStatement {
                                            comments: CommentGroup {
                                                comments: [],
                                            },
                                            variable: Variable {
                                                position: 37,
                                                name: "$file",
                                            },
                                            equals: 43,
                                            expression: FunctionOperation(
                                                Call {
                                                    comments: CommentGroup {
                                                        comments: [],
                                                    },
                                                    function: Identifier(
                                                        Identifier {
                                                            position: 45,
                                                            value: "File\open_read_only",
                                                        },
                                                    ),
                                                    generics: None,
                                                    arguments: ArgumentListExpression {
                                                        comments: CommentGroup {
                                                            comments: [],
                                                        },
                                                        left_parenthesis: 64,
                                                        arguments: CommaSeparated {
                                                            inner: [
                                                                Value {
                                                                    comments: CommentGroup {
                                                                        comments: [],
                                                                    },
                                                                    value: Literal(
                                                                        String(
                                                                            LiteralString {
                                                                                comments: CommentGroup {
                                                                                    comments: [],
                                                                                },
                                                                                value: ""example.txt"",
                                                                                position: 65,
                                                                            },
                                                                        ),
                                                                    ),
                                                                },
                                                            ],
                                                            commas: [],
                                                        },
                                                        right_parenthesis: 78,
                                                    },
                                                },
                                            ),
                                        },
                                    ],
                                    commas: [],
                                },
                                if_clause: None,
                                block: BlockStatement {
                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    left_brace: 80,
                                    statements: [],
                                    right_brace: 119,
                                },
                            },
                        ),
                        Using(
                            UsingStatement {
                                comments: CommentGroup {
                                    comments: [
                                        Comment {
                                            position: 90,
                                            format: SingleLine,
                                            content: "// $file is present here",
                                        },
                                        Comment {
                                            position: 126,
                                            format: SingleLine,
                                            content: "// $file is destroyed here",
                                        },
                                    ],
                                },
                                using: Keyword {
                                    value: "using",
                                    position: 158,
                                },
                                assignments: CommaSeparated {
                                    inner: [
                                        UsingAssignmentStatement {
                                            comments: CommentGroup {
                                                comments: [],
                                            },
                                            variable: Variable {
                                                position: 164,
                                                name: "$user",
                                            },
                                            equals: 170,
                                            expression: FunctionOperation(
                                                Call {
                                                    comments: CommentGroup {
                                                        comments: [],
                                                    },
                                                    function: Identifier(
                                                        Identifier {
                                                            position: 172,
                                                            value: "Users\by_id",
                                                        },
                                                    ),
                                                    generics: None,
                                                    arguments: ArgumentListExpression {
                                                        comments: CommentGroup {
                                                            comments: [],
                                                        },
                                                        left_parenthesis: 183,
                                                        arguments: CommaSeparated {
                                                            inner: [
                                                                Value {
                                                                    comments: CommentGroup {
                                                                        comments: [],
                                                                    },
                                                                    value: Variable(
                                                                        Variable {
                                                                            position: 184,
                                                                            name: "$user_id",
                                                                        },
                                                                    ),
                                                                },
                                                            ],
                                                            commas: [],
                                                        },
                                                        right_parenthesis: 192,
                                                    },
                                                },
                                            ),
                                        },
                                        UsingAssignmentStatement {
                                            comments: CommentGroup {
                                                comments: [],
                                            },
                                            variable: Variable {
                                                position: 195,
                                                name: "$articles",
                                            },
                                            equals: 205,
                                            expression: FunctionOperation(
                                                Call {
                                                    comments: CommentGroup {
                                                        comments: [],
                                                    },
                                                    function: Identifier(
                                                        Identifier {
                                                            position: 207,
                                                            value: "Articles\by_user",
                                                        },
                                                    ),
                                                    generics: None,
                                                    arguments: ArgumentListExpression {
                                                        comments: CommentGroup {
                                                            comments: [],
                                                        },
                                                        left_parenthesis: 223,
                                                        arguments: CommaSeparated {
                                                            inner: [
                                                                Value {
                                                                    comments: CommentGroup {
                                                                        comments: [],
                                                                    },
                                                                    value: Variable(
                                                                        Variable {
                                                                            position: 224,
                                                                            name: "$user_id",
                                                                        },
                                                                    ),
                                                                },
                                                            ],
                                                            commas: [],
                                                        },
                                                        right_parenthesis: 232,
                                                    },
                                                },
                                            ),
                                        },
                                    ],
                                    commas: [
                                        193,
                                    ],
                                },
                                if_clause: None,
                                block: BlockStatement {
                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    left_brace: 234,
                                    statements: [],
                                    right_brace: 288,
                                },
                            },
                        ),
                        Using(
                            UsingStatement {
                                comments: CommentGroup {
                                    comments: [
                                        Comment {
                                            position: 244,
                                            format: SingleLine,
                                            content: "// $user and $articles are present here",
                                        },
                                        Comment {
                                            position: 295,
                                            format: SingleLine,
                                            content: "// $user and $articles are destroyed here",
                                        },
                                    ],
                                },
                                using: Keyword {
                                    value: "using",
                                    position: 342,
                                },
                                assignments: CommaSeparated {
                                    inner: [
                                        UsingAssignmentStatement {
                                            comments: CommentGroup {
                                                comments: [],
                                            },
                                            variable: Variable {
                                                position: 348,
                                                name: "$user",
                                            },
                                            equals: 354,
                                            expression: FunctionOperation(
                                                Call {
                                                    comments: CommentGroup {
                                                        comments: [],
                                                    },
                                                    function: Identifier(
                                                        Identifier {
                                                            position: 356,
                                                            value: "Users\by_id",
                                                        },
                                                    ),
                                                    generics: None,
                                                    arguments: ArgumentListExpression {
                                                        comments: CommentGroup {
                                                            comments: [],
                                                        },
                                                        left_parenthesis: 367,
                                                        arguments: CommaSeparated {
                                                            inner: [
                                                                Value {
                                                                    comments: CommentGroup {
                                                                        comments: [],
                                                                    },
                                                                    value: Variable(
                                                                        Variable {
                                                                            position: 368,
                                                                            name: "$id",
                                                                        },
                                                                    ),
                                                                },
                                                            ],
                                                            commas: [],
                                                        },
                                                        right_parenthesis: 371,
                                                    },
                                                },
                                            ),
                                        },
                                    ],
                                    commas: [],
                                },
                                if_clause: Some(
                                    UsingIfClauseStatement {
                                        comments: CommentGroup {
                                            comments: [],
                                        },
                                        if: Keyword {
                                            value: "if",
                                            position: 373,
                                        },
                                        condition: TypeOperation(
                                            Is {
                                                comments: CommentGroup {
                                                    comments: [],
                                                },
                                                left: Variable(
                                                    Variable {
                                                        position: 376,
                                                        name: "$user",
                                                    },
                                                ),
                                                is: Keyword {
                                                    value: "is",
                                                    position: 382,
                                                },
                                                right: NonNull(
                                                    Keyword {
                                                        value: "nonnull",
                                                        position: 385,
                                                    },
                                                ),
                                            },
                                        ),
                                    },
                                ),
                                block: BlockStatement {
                                    comments: CommentGroup {
                                        comments: [],
                                    },
                                    left_brace: 393,
                                    statements: [],
                                    right_brace: 432,
                                },
                            },
                        ),
                    ],
                    right_brace: 466,
                },
            },
        ),
    ],
    eof: 468,
}