|   // Copyright 2021 Google LLC | 
 | // | 
 | // Licensed 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. | 
 |  | 
 | syntax = "proto3"; | 
 |  | 
 | package google.type; | 
 |  | 
 | option cc_enable_arenas = true; | 
 | option go_package = "google.golang.org/genproto/googleapis/type/money;money"; | 
 | option java_multiple_files = true; | 
 | option java_outer_classname = "MoneyProto"; | 
 | option java_package = "com.google.type"; | 
 | option objc_class_prefix = "GTP"; | 
 |  | 
 | // Represents an amount of money with its currency type. | 
 | message Money { | 
 |   // The three-letter currency code defined in ISO 4217. | 
 |   string currency_code = 1; | 
 |  | 
 |   // The whole units of the amount. | 
 |   // For example if `currencyCode` is `"USD"`, then 1 unit is one US dollar. | 
 |   int64 units = 2; | 
 |  | 
 |   // Number of nano (10^-9) units of the amount. | 
 |   // The value must be between -999,999,999 and +999,999,999 inclusive. | 
 |   // If `units` is positive, `nanos` must be positive or zero. | 
 |   // If `units` is zero, `nanos` can be positive, zero, or negative. | 
 |   // If `units` is negative, `nanos` must be negative or zero. | 
 |   // For example $-1.75 is represented as `units`=-1 and `nanos`=-750,000,000. | 
 |   int32 nanos = 3; | 
 | } | 
 |  |