compilation_unit {
  package_statement {
    package_name: "ExplorerTest"
  }
  is_api: true
  declarations {
    namespace {
      name {
        name: "A"
      }
    }
  }
  declarations {
    namespace {
      name {
        qualifiers: "A"
        name: "B"
      }
    }
  }
  declarations {
    namespace {
      name {
        qualifiers: "A"
        qualifiers: "B"
        name: "C"
      }
    }
  }
  declarations {
    function {
      name {
        qualifiers: "A"
        qualifiers: "B"
        qualifiers: "C"
        qualifiers: "D"
        qualifiers: "E"
        name: "F"
      }
      param_pattern {
      }
      return_term {
        kind: Omitted
      }
      body {
      }
    }
  }
  declarations {
    function {
      name {
        name: "Main"
      }
      param_pattern {
      }
      return_term {
        kind: Expression
        type {
          int_type_literal {
          }
        }
      }
      body {
        statements {
          return_expression_statement {
            expression {
              int_literal {
                value: 0
              }
            }
          }
        }
      }
    }
  }
}