/**
 * Checks if value is a number (including Infinity).
 */
export declare function isNumber(value: any): boolean;
/**
 * Checks if value is finite number.
 */
export declare function isFiniteNumber(value: any): boolean;
/**
 * Checks if value is integer.
 */
export declare function isInteger(value: any): boolean;
/**
 * Checks if value is positive number (> 0).
 */
export declare function isPositiveNumber(value: any): boolean;
/**
 * Checks if value is positive integer (> 0).
 */
export declare function isPositiveInteger(value: any): boolean;
/**
 * Checks if value is negative number (< 0).
 */
export declare function isNegativeNumber(value: any): boolean;
/**
 * Checks if value is negative integer (< 0).
 */
export declare function isNegativeInteger(value: any): boolean;
/**
 * Checks if value is non-negative number (>= 0).
 */
export declare function isNonNegativeNumber(value: any): boolean;
/**
 * Checks if value is non-negative integer (>= 0).
 */
export declare function isNonNegativeInteger(value: any): boolean;
/**
 * Checks if value is non-positive number (<= 0).
 */
export declare function isNonPositiveNumber(value: any): boolean;
/**
 * Checks if value is non-positive integer (<= 0).
 */
export declare function isNonPositiveInteger(value: any): boolean;
/**
 * Checks if value is number in range [min, max].
 */
export declare function isNumberInRange(value: any, min: number, max: number): boolean;
/**
 * Checks if value is integer in range [min, max].
 */
export declare function isIntegerInRange(value: any, min: number, max: number): boolean;
/**
 * Checks if value is string.
 */
export declare function isString(value: any): boolean;
/**
 * Checks if value is TypedArray.
 */
export declare function isTypedArray(value: any): boolean;
/**
 * Checks if value is Array or TypedArray.
 */
export declare function isArray(value: any): boolean;
/**
 * Checks if value is Javascript object.
 */
export declare function isObject(value: any): boolean;
/**
 * Checks if value is boolean.
 */
export declare function isBoolean(value: any): boolean;