/**
 * otp - pure helpers behind <SvOtpInput>: sanitize/spread a raw string across N
 * segments (used on paste and per-cell input) and detect completion.
 * Framework-free + pure so they are unit-tested directly.
 */
/**
 * Keep only the characters allowed for `numeric` mode (digits) or any
 * non-whitespace otherwise, then clamp to `length`. Returns the cleaned string
 * (<= length chars).
 */
export declare function sanitizeOtp(raw: string, length: number, numeric: boolean): string;
/** Split a value into exactly `length` single-char cells (padding with ''). */
export declare function otpCells(value: string, length: number): string[];
/** Whether `value` fills every cell (a joined OTP has no internal gaps, so an
 *  exact-length string is complete). */
export declare function isOtpComplete(value: string, length: number): boolean;