export declare const PROVIDER_EVENTS_LOG_FILE_SUFFIX = "-provider-events.jsonl";
export declare const USAGE_EVENTS_LOG_FILE_SUFFIX = "-usage-events.jsonl";
export declare const USAGE_MISSING_REASONS: {
    readonly NOT_AVAILABLE: "usage_not_available";
    readonly TOKENS_MISSING: "usage_tokens_missing";
    readonly NOT_SUPPORTED_BY_PROVIDER: "usage_not_supported_by_provider";
};
export type UsageMissingReason = (typeof USAGE_MISSING_REASONS)[keyof typeof USAGE_MISSING_REASONS];
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