/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
#mixed_content  // f.c.MixedContent
    #text  // f.c.TextBlock
        - content: "1 "  // String
    ${...}  // f.c.DollarVariable
        - content: ?filter(...)  // f.c.BuiltInsForSequences$filterBI
            - left-hand operand: x  // f.c.Identifier
            - right-hand operand: "filter"  // String
            - argument value: ->  // f.c.LocalLambdaExpression
                - argument name: x  // f.c.Identifier
                - value: !  // f.c.NotExpression
                    - right-hand operand: x  // f.c.Identifier
    #text  // f.c.TextBlock
        - content: "\n2 "  // String
    ${...}  // f.c.DollarVariable
        - content: ?filter(...)  // f.c.BuiltInsForSequences$filterBI
            - left-hand operand: x  // f.c.Identifier
            - right-hand operand: "filter"  // String
            - argument value: ->  // f.c.LocalLambdaExpression
                - argument name: x  // f.c.Identifier
                - value: !  // f.c.NotExpression
                    - right-hand operand: x  // f.c.Identifier
    #text  // f.c.TextBlock
        - content: "\n3 "  // String
    ${...}  // f.c.DollarVariable
        - content: ?filter(...)  // f.c.BuiltInsForSequences$filterBI
            - left-hand operand: x  // f.c.Identifier
            - right-hand operand: "filter"  // String
            - argument value: ->  // f.c.LocalLambdaExpression
                - argument name: x  // f.c.Identifier
                - value: (...)  // f.c.ParentheticalExpression
                    - enclosed operand: !  // f.c.NotExpression
                        - right-hand operand: x  // f.c.Identifier
    #text  // f.c.TextBlock
        - content: "\n4 "  // String
    ${...}  // f.c.DollarVariable
        - content: ?filter(...)  // f.c.BuiltInsForSequences$filterBI
            - left-hand operand: x  // f.c.Identifier
            - right-hand operand: "filter"  // String
            - argument value: ->  // f.c.LocalLambdaExpression
                - argument name: x  // f.c.Identifier
                - value: ||  // f.c.OrExpression
                    - left-hand operand: ==  // f.c.ComparisonExpression
                        - left-hand operand: +  // f.c.AddConcatExpression
                            - left-hand operand: x  // f.c.Identifier
                            - right-hand operand: 1  // f.c.NumberLiteral
                        - right-hand operand: 2  // f.c.NumberLiteral
                    - right-hand operand: ==  // f.c.ComparisonExpression
                        - left-hand operand: /  // f.c.ArithmeticExpression
                            - left-hand operand: x  // f.c.Identifier
                            - right-hand operand: 2  // f.c.NumberLiteral
                            - AST-node subtype: "2"  // Integer
                        - right-hand operand: 4  // f.c.NumberLiteral
    #text  // f.c.TextBlock
        - content: "\n5 "  // String
    ${...}  // f.c.DollarVariable
        - content: ?filter(...)  // f.c.BuiltInsForSequences$filterBI
            - left-hand operand: x  // f.c.Identifier
            - right-hand operand: "filter"  // String
            - argument value: ->  // f.c.LocalLambdaExpression
                - argument name: x  // f.c.Identifier
                - value: ?hasContent  // f.c.BuiltInsForExistenceHandling$has_contentBI
                    - left-hand operand: ?filter(...)  // f.c.BuiltInsForSequences$filterBI
                        - left-hand operand: x  // f.c.Identifier
                        - right-hand operand: "filter"  // String
                        - argument value: ->  // f.c.LocalLambdaExpression
                            - argument name: y  // f.c.Identifier
                            - value: ==  // f.c.ComparisonExpression
                                - left-hand operand: y  // f.c.Identifier
                                - right-hand operand: 1  // f.c.NumberLiteral
                    - right-hand operand: "hasContent"  // String
    #text  // f.c.TextBlock
        - content: "\n"  // String