/**
 * ⚠️ Sets null property to not be seen as a plain object
 *
 * - This way the library can detect its objects even if multiple instances of the
 *   library are in memory
 */
export interface IncrementIt<By extends number | bigint = number | bigint> {
    __incrementIt: By;
}
/**
 * ⚠️ Sets null property to not be seen as a plain object
 *
 * - This way the library can detect its objects even if multiple instances of the
 *   library are in memory
 */
export declare function incrementIt<Amount extends number | bigint>(incrementBy: Amount): IncrementIt<Amount>;
export declare function isIncrementIt(x: unknown): x is IncrementIt;
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