import type { AgentEngine } from "../agent/engine/types.js";
import type { ObservabilityConfig } from "./types.js";
export declare const DEFAULT_INFERRED_SENTIMENT_MODEL = "gpt-5-6-luna";
export declare const HOSTED_INFERRED_SENTIMENT_SAMPLE_RATE = 1;
export declare const INFERRED_SENTIMENT_MAX_CHARS = 2000;
export declare const INFERRED_SENTIMENT_TIMEOUT_MS = 5000;
export type InferredSentiment = "positive" | "negative" | "neutral";
type SentimentEnv = Record<string, string | undefined>;
export declare function isFirstPartyHostedAgentNative(env?: SentimentEnv): boolean;
/**
 * Resolve inference defaults without making self-hosted apps opt in silently.
 * Explicit opt-out always wins. Otherwise stored app config and deployment
 * env can override the first-party hosted default.
 */
export declare function resolveInferredSentimentConfig(stored: Partial<ObservabilityConfig> | null | undefined, env?: SentimentEnv): Pick<ObservabilityConfig, "inferredSentimentEnabled" | "inferredSentimentSampleRate" | "inferredSentimentModel">;
/** Stable deterministic sampling keeps retries for the same run consistent. */
export declare function shouldSampleInferredSentiment(runId: string, sampleRate: number): boolean;
export declare function shouldInferSentimentForTurn(args: {
    internalContinuation: boolean;
    isBackgroundWorker: boolean;
    backgroundContinuationCount: number;
    hasUserText: boolean;
}): boolean;
export declare function parseInferredSentiment(output: string): InferredSentiment | null;
/**
 * Best-effort classifier + content-free tracking emit. The main chat path
 * awaits this only after the user-visible response has finished streaming.
 */
export declare function inferAndTrackSentiment(args: {
    /** Test/custom seam. Production intentionally uses the managed Builder engine. */
    engine?: AgentEngine;
    classifierModel: string;
    precedingResponseModel: string;
    text: string;
    precedingRunId: string;
    classificationTriggerRunId: string;
    threadId: string | null;
    userId: string | null;
    sampleRate: number;
}): Promise<void>;
export {};
//# sourceMappingURL=sentiment.d.ts.map