/**
 * Returns the number of digits after the decimal point. Handles both the
 * normal decimal notation (`"0.25"`) and the exponential notation that JS
 * produces for very small magnitudes (`"1e-8"`).
 */
export declare function getDecimalPrecision(num: number): number;
/**
 * Rounds `value` to the nearest multiple of `step`, offset by `min` — so the
 * quantization grid is always anchored on `min`, not on `0`. The result is
 * then re-quantized via `toFixed(precision)` to trim binary-float drift.
 */
export declare function roundValueToStep(value: number, step: number, min: number): number;
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