export declare const FORCED_PERIOD_TOLERANCE_FACTOR = 0.2;
export declare const EMPTY_GAP_SET: ReadonlySet<number>;
export declare const insertGaps: (data: [number, number | null][], forcedPeriodMs: number | undefined, gapAt?: ReadonlySet<number>) => [number, number | null][];
export declare const findIsolatedPoints: (data: [number, number | null][]) => [number, number | null][];