GeminiUsageMetadata
1.
promptTokensDetails 和 candidatesTokensDetails 的模态明细；2.
thoughtsTokenCount 单独加入文字/思考输出；3.
cacheTokensDetails 是输入 Token 的缓存子集，不要重复相加；4.
5.
totalTokenCount 只做核验，不能乘一个统一价格。{
"promptTokenCount": 0,
"cachedContentTokenCount": 0,
"candidatesTokenCount": 0,
"thoughtsTokenCount": 0,
"totalTokenCount": 0,
"promptTokensDetails": [
{
"modality": "MODALITY_UNSPECIFIED",
"tokenCount": 1120,
"property1": "string",
"property2": "string"
}
],
"cacheTokensDetails": [
{
"modality": "MODALITY_UNSPECIFIED",
"tokenCount": 1120,
"property1": "string",
"property2": "string"
}
],
"candidatesTokensDetails": [
{
"modality": "MODALITY_UNSPECIFIED",
"tokenCount": 1120,
"property1": "string",
"property2": "string"
}
],
"serviceTier": "unspecified",
"property1": "string",
"property2": "string"
}