export declare const SPAN_EVENT_ATTRIBUTES: {
    readonly octomilTtftMs: "octomil.ttft_ms";
    readonly octomilChunkIndex: "octomil.chunk.index";
    readonly octomilChunkLatencyMs: "octomil.chunk.latency_ms";
    readonly octomilToolName: "octomil.tool.name";
    readonly octomilToolRound: "octomil.tool.round";
    readonly octomilFallbackReason: "octomil.fallback.reason";
    readonly octomilFallbackProvider: "octomil.fallback.provider";
    readonly octomilTokensTotal: "octomil.tokens.total";
    readonly octomilTokensPerSecond: "octomil.tokens.per_second";
    readonly octomilDurationMs: "octomil.duration_ms";
    readonly octomilDownloadUrl: "octomil.download.url";
    readonly octomilDownloadExpectedBytes: "octomil.download.expected_bytes";
    readonly octomilDownloadDurationMs: "octomil.download.duration_ms";
    readonly octomilDownloadBytes: "octomil.download.bytes";
    readonly octomilChecksumAlgorithm: "octomil.checksum.algorithm";
    readonly octomilRuntimeExecutor: "octomil.runtime.executor";
    readonly octomilRuntimeInitMs: "octomil.runtime.init_ms";
    readonly octomilToolExtractionStrategy: "octomil.tool.extraction_strategy";
    readonly octomilToolRawTextPreview: "octomil.tool.raw_text_preview";
    readonly octomilKvCacheStrategy: "octomil.kv_cache.strategy";
    readonly octomilKvCacheQuantizationBits: "octomil.kv_cache.quantization_bits";
    readonly octomilKvCacheBackend: "octomil.kv_cache.backend";
};
export declare const EVENT_REQUIRED_ATTRIBUTES: Record<string, string[]>;
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