/**
 * Monitors the rate of SharePoint API requests per web part and records
 * an entry in localStorage when a web part exceeds the threshold.
 *
 * @internal
 */
export declare class DeferredSPRequestRateMonitor {
    private _callHistory;
    constructor();
    /**
     * Tracks a request URL for the given web part. Records timestamps keyed by
     * logSourceId. Evaluation is deferred to {@link evaluateAndClear} which is
     * triggered after the tracking window ends.
     *
     * @param url - The request URL
     * @param logSourceId - The log source ID identifying the caller
     */
    trackRequest(url: string, logSourceId: string): void;
    /**
     * Evaluates the recorded call count for the given ID against the threshold.
     * Writes to localStorage and emits telemetry if exceeded, then clears the entry.
     *
     * @param manifestId - The manifest ID used as the history key
     * @param instanceId - The instance ID used as the history key
     */
    evaluateAndClear(manifestId: string, instanceId: string): void;
    private _recordRateLimitExceeded;
}
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