export declare const MAX_AI_CONTENT_BYTES: number;
export declare const MAX_AI_SPANS_PER_RUN = 100;
export interface AiErrorDetail {
    message: string;
    terminal_code?: string;
    terminal_state?: string;
    retryable?: boolean;
    cause?: string;
}
export declare function resolveAiError(isError: boolean, error: AiErrorDetail | undefined, failure?: string): AiErrorDetail | undefined;
export declare function boundAiContent(value: unknown): {
    value: unknown;
    truncated: boolean;
};
export declare function toPostHogMessages(value: unknown): unknown;
export interface AiTraceEventInput {
    runId: string;
    threadId: string | null;
    userId: string | null;
    spanName: string;
    model: string;
    provider: string;
    durationMs: number;
    isError: boolean;
    error?: AiErrorDetail;
    errorType?: string;
    inputTokens?: number;
    outputTokens?: number;
    costUsd?: number;
    createdAt: number;
    browserSessionId?: string;
    extraProperties?: Record<string, unknown>;
}
export declare function emitAiTraceEvent(input: AiTraceEventInput): void;
export interface AiSpanEventInput {
    runId: string;
    threadId: string | null;
    userId: string | null;
    spanId: string;
    parentId?: string;
    spanName: string;
    latencySeconds: number;
    isError: boolean;
    error?: AiErrorDetail;
    errorType?: string;
    createdAt: number;
    browserSessionId?: string;
    inputState?: unknown;
    outputState?: unknown;
    extraProperties?: Record<string, unknown>;
}
export declare function emitAiSpanEvent(input: AiSpanEventInput): void;
export interface AiFeedbackSurveyInput {
    runId: string | null;
    threadId: string | null;
    userId: string | null;
    feedbackType: "thumbs_up" | "thumbs_down" | "category" | "text";
    value: string;
    submissionId: string;
    model?: string;
    browserSessionId?: string;
}
export declare function emitAiFeedbackSurveyEvent(input: AiFeedbackSurveyInput): boolean;
export declare function toAiErrorDetail(errorMessage: string | null | undefined, terminalOutcome?: {
    state?: string;
    code?: string;
    retryable?: boolean;
}): AiErrorDetail | undefined;