Gateway
constructor(id: String, totalCost: Double, upstreamInferenceCost: Double, usage: Double, createdAt: String, model: String, isByok: Boolean, providerName: String, streamed: Boolean, finishReason: String, latency: Int, generationTime: Int, promptTokens: Int, completionTokens: Int, reasoningTokens: Int, cachedTokens: Int, cacheCreationTokens: Int, billableWebSearchCalls: Int)(source)