/**
 * Returns true if value is a number (excluding NaN), or is a numeric string.
 *
 * NOTE: It treats all Number-coercible strings as numeric (e.g. `'0x123'`, `'123e-1'`),
 * so for number-type values it's better to just use `Number.isFinite()`.
 */ export declare function isNumeric(value: any): boolean;