compilation_unit {
  package_statement {
    package_name: "ExplorerTest"
  }
  is_api: true
  declarations {
    function {
      name {
        name: "AddInt"
      }
      param_pattern {
        fields {
          binding_pattern {
            name: "a"
            type {
              expression_pattern {
                expression {
                  int_type_literal {
                  }
                }
              }
            }
          }
        }
        fields {
          binding_pattern {
            name: "b"
            type {
              expression_pattern {
                expression {
                  int_type_literal {
                  }
                }
              }
            }
          }
        }
      }
      return_term {
        kind: Expression
        type {
          int_type_literal {
          }
        }
      }
      body {
        statements {
          variable_definition {
            pattern {
              binding_pattern {
                name: "ret"
                type {
                  expression_pattern {
                    expression {
                      int_type_literal {
                      }
                    }
                  }
                }
              }
            }
            init {
              operator {
                op: Add
                arguments {
                  identifier {
                    name: "a"
                  }
                }
                arguments {
                  identifier {
                    name: "b"
                  }
                }
              }
            }
            is_returned: true
          }
        }
        statements {
          return_expression_statement {
            expression {
              identifier {
                name: "ret"
              }
            }
          }
        }
      }
    }
  }
  declarations {
    function {
      name {
        name: "Main"
      }
      param_pattern {
      }
      return_term {
        kind: Expression
        type {
          int_type_literal {
          }
        }
      }
      body {
        statements {
          return_expression_statement {
            expression {
              call {
                function {
                  identifier {
                    name: "AddInt"
                  }
                }
                argument {
                  tuple_literal {
                    fields {
                      int_literal {
                        value: 1
                      }
                    }
                    fields {
                      int_literal {
                        value: 2
                      }
                    }
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}