import { Gauge } from '../types/Gauge';
import { GaugeComponentProps } from '../types/GaugeComponentProps';
export declare const calculatePercentage: (minValue: number, maxValue: number, value: number) => number;
/**
 * Convert a percentage (0-1) back to a value within the min/max range
 */
export declare const percentToValue: (percent: number, minValue: number, maxValue: number) => number;
export declare const isEmptyObject: (obj: any) => boolean;
export declare const mergeObjects: (obj1: any, obj2: Partial<any>) => any;
export declare const percentToRad: (percent: number, angle: number) => number;
export declare const floatingNumber: (value: number, maxDigits?: number) => number;
export declare function normalize(value: number, min: number, max: number): number;
export declare const degToRad: (degrees: number) => number;
export declare const radToDeg: (radians: number) => number;
export declare const getCurrentGaugePercentageByValue: (value: number, gauge: GaugeComponentProps) => number;
export declare const getCurrentGaugeValueByPercentage: (percentage: number, gauge: Gauge) => number;
export declare const camelCaseToKebabCase: (str: string) => string;
/**
 * Shallow comparison of two values. More performant than JSON.stringify for prop comparisons.
 * Handles primitives, arrays (shallow), and objects (shallow, one level deep for nested objects).
 */
export declare const shallowEqual: (a: any, b: any) => boolean;