import type { AnalyticsConfig } from "../utils/types.js";
export declare class TelemetryClient {
    private client;
    private distinctId;
    private enabled;
    /** Initialize telemetry. Returns true if enabled and ready. */
    init(config: AnalyticsConfig | undefined, projectRoot: string, version: string): Promise<boolean>;
    /** Track server started event */
    trackServerStarted(version: string): void;
    /** Track a tool call (sanitized — no args/content/errors) */
    trackToolCalled(toolName: string, durationMs: number, success: boolean): void;
    /** Track session summary (periodic aggregate) */
    trackSessionSummary(callCountsByTool: Record<string, number>, decisionCount: number, entityCount: number): void;
    /** Flush and shut down */
    shutdown(): Promise<void>;
    /** Whether telemetry is active */
    isEnabled(): boolean;
}
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