/**
 * Returns the greatest integer less than or equal to its numeric argument.
 */
export declare function floor(n: number): number;
/**
 * Generate a random integer between min and max (inclusive)
 */
export declare function int(min: number, max: number, rand?: () => number): number;
/**
 * Get the keys of an object
 */
export declare function keys<T extends Record<string, unknown>>(obj: T): (keyof T)[];
/**
 * Returns the smaller of a set of supplied numeric expressions.
 */
export declare function min(...values: number[]): number;
/**
 * Test if a number is odd
 */
export declare function odd(n: number): boolean;