export interface ShouldDedupAnalyticsEmitInput {
    readonly eventName: string;
    readonly screenName?: string | null;
    readonly nowMs?: number;
    readonly cooldownMs?: number;
}
/**
 * Returns true when the emit should be skipped (storm dedup window).
 * Call `recordAnalyticsEmitDedup` after a successful emit.
 */
export declare function shouldDedupAnalyticsEmit(input: ShouldDedupAnalyticsEmitInput): boolean;
export declare function recordAnalyticsEmitDedup(input: ShouldDedupAnalyticsEmitInput): void;
/** Test-only reset. */
export declare function resetAnalyticsEmitDedupForTests(): void;
export declare const ANALYTICS_EMIT_DEDUP_COOLDOWN_MS = 500;
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