export declare function getPercentageChange(current?: number, previous?: number): number;
export declare function isNil(value: any): boolean;
export declare function stop(arg: any): ((e: any) => void) | undefined;
export declare function stopPropagation(e: any): void;
export declare function getFieldValue(obj: any, field: string): any;
export declare function setFieldValue(obj: any, field: string, value: any): any;
export declare function removeNilValues(obj: Record<string, any>): any;
export declare function debounce<R, T extends (...args: any[]) => Promise<R>>(fn: T, delay?: number): (...args: Parameters<T>) => Promise<R>;