compilation_unit {
  package_statement {
    package_name: "ExplorerTest"
  }
  is_api: true
  declarations {
    interface {
      name {
        name: "A"
      }
    }
  }
  declarations {
    interface {
      name {
        name: "B"
      }
    }
  }
  declarations {
    impl {
      kind: ExternalImpl
      impl_type {
        int_type_literal {
        }
      }
      interface {
        operator {
          op: BitwiseAnd
          arguments {
            call {
              function {
                identifier {
                  name: "A"
                }
              }
              argument {
                tuple_literal {
                  fields {
                    identifier {
                      name: "T"
                    }
                  }
                }
              }
            }
          }
          arguments {
            identifier {
              name: "B"
            }
          }
        }
      }
    }
  }
  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
              }
            }
          }
        }
      }
    }
  }
}