Interface CanonicalUsageCounts

interface CanonicalUsageCounts {
    billedInputTokens?: number;
    billableReasoningTokens?: number;
    cachedReadTokens?: number;
    cachedTokens: number;
    cachedWriteTokens?: number;
    inputTokens: number;
    outputTokens: number;
    reasoningTokens?: number;
}