/**
 * Math utility functions for Bench3D
 * Provides mathematical operations, UUID generation, and conversion utilities
 */
/**
 * Generate a GUID (UUID v4)
 */
export declare function guid(): string;
/**
 * Check if a string is a valid UUID
 */
export declare function isUUID(s: string): boolean;
/**
 * Generate a Blockbench-style UUID
 */
export declare function bbuid(l?: number): string;
/**
 * Math utility object with common mathematical operations
 */
export declare const MathUtil: {
    /**
     * Convert radians to degrees
     */
    radToDeg: (rad: number) => number;
    /**
     * Convert degrees to radians
     */
    degToRad: (deg: number) => number;
    /**
     * Round a number to a specific number of decimal places
     */
    roundTo: (num: number, digits: number) => number;
    /**
     * Clamp a number between min and max
     */
    clamp: (num: number, min: number, max: number) => number;
    /**
     * Linear interpolation
     */
    lerp: (a: number, b: number, t: number) => number;
    /**
     * Check if a number is between two values
     */
    isBetween: (num: number, min: number, max: number) => boolean;
    /**
     * Epsilon value for floating point comparisons
     */
    epsilon: number;
    /**
     * Trim degrees to 0-360 range
     */
    trimDeg: (deg: number) => number;
    /**
     * Trim radians to 0-2π range
     */
    trimRad: (rad: number) => number;
    /**
     * Check if a number is a power of two
     */
    isPowerOfTwo: (n: number) => boolean;
    /**
     * Check if a value is a number
     */
    isNumber: (val: any) => val is number;
    /**
     * Random number between a and b
     */
    randomab: (a: number, b: number) => number;
    /**
     * Random integer between a and b (inclusive)
     */
    randomInteger: (a: number, b: number) => number;
    /**
     * Check if two numbers are multiples
     */
    areMultiples: (a: number, b: number, threshold?: number) => boolean;
    /**
     * Get next power of two
     */
    getNextPower: (n: number) => number;
    /**
     * Signed power function
     */
    signedPow: (base: number, exp: number) => number;
    /**
     * Snap a value to the nearest value in an array
     */
    snapToValues: (value: number, values: number[]) => number;
    /**
     * Hermite blend function (smoothstep)
     */
    hermiteBlend: (t: number) => number;
};
/**
 * Alias for MathUtil.clamp
 */
export declare const limitNumber: (num: number, min: number, max: number) => number;
/**
 * Get linear interpolation factor
 */
export declare function getLerp(a: number, b: number, value: number): number;
/**
 * Linear interpolation
 */
export declare function lerp(a: number, b: number, t: number): number;
/**
 * Check if a number is between two values
 */
export declare function isBetween(num: number, min: number, max: number): boolean;
/**
 * Epsilon constant
 */
export declare const epsilon: number;
/**
 * Trim degrees to 0-360 range
 */
export declare function trimDeg(deg: number): number;
/**
 * Trim radians to 0-2π range
 */
export declare function trimRad(rad: number): number;
/**
 * Check if a number is a power of two
 */
export declare function isPowerOfTwo(n: number): boolean;
/**
 * Check if a value is a number
 */
export declare function isNumber(val: any): val is number;
/**
 * Random number between a and b
 */
export declare function randomab(a: number, b: number): number;
/**
 * Random integer between a and b (inclusive)
 */
export declare function randomInteger(a: number, b: number): number;
/**
 * Check if two numbers are multiples
 */
export declare function areMultiples(a: number, b: number, threshold?: number): boolean;
/**
 * Get next power of two
 */
export declare function getNextPower(n: number): number;
/**
 * Signed power function
 */
export declare function signedPow(base: number, exp: number): number;
/**
 * Snap a value to the nearest value in an array
 */
export declare function snapToValues(value: number, values: number[]): number;
/**
 * Hermite blend function (smoothstep)
 */
export declare function hermiteBlend(t: number): number;
/**
 * Trim a float number to a specific number of decimal places
 */
export declare function trimFloatNumber(val: number | string, max_digits?: number): string | number;
/**
 * Separate thousands with commas
 */
export declare function separateThousands(num: number | string): string;
/**
 * Get axis letter (0='x', 1='y', 2='z')
 */
export declare function getAxisLetter(axis: number): string;
/**
 * Get axis number ('x'=0, 'y'=1, 'z'=2)
 */
export declare function getAxisNumber(axis: string): number;
/**
 * Check if a string is a number
 */
export declare function isStringNumber(str: string): boolean;
/**
 * Radians to degrees
 */
export declare function radToDeg(rad: number): number;
/**
 * Degrees to radians
 */
export declare function degToRad(deg: number): number;
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