import { Cell, CellMatrix } from '../types';

/** Below this absolute value, never use automatic scientific (Sheets-like). */
export declare const GS_PLAIN_MAX_ABS = 999999999999997;
/** Smallest 16-digit positive integer — use plain / text, not E-notation. */
export declare const GS_SIXTEEN_DIGIT_MIN_ABS = 1000000000000000;
/** Scientific only in (GS_PLAIN_MAX_ABS, 1e15) — 999…997 itself stays plain. */
export declare function gsAllowsScientificMagnitude(av: number): boolean;
/** Integer string (optional `-`, optional `,`) with ≥16 digits — store literally under General/Auto. */
export declare function isSixteenPlusDigitIntegerString(value: unknown): boolean;
/**
 * Display string for a JS number when `toString()` may use `e` notation.
 * Applies Sheets-like rules: no E below GS_PLAIN_MAX_ABS or at/above 16-digit scale.
 */
export declare function formatMForNumericCellAvoidingGsRules(v: number): string;
/**
 * Numeric safety gate for formula-computed numbers:
 * - integer beyond MAX_SAFE_INTEGER => scientific
 * - significant digits > 15 => scientific
 */
export declare function shouldUseScientificForComputedNumber(v: number): boolean;
export declare function formatScientificForComputedNumber(v: number): string;
export declare function formatCompactScientific(v: number, fractionDigits?: number): string;
/**
 * Sheets-like Auto decimal display:
 * keep about 10 visible digits total (integer digits + decimal digits), with rounding.
 * Examples:
 * - 999999999.478 -> 999999999.5
 * - 123456.123456 -> 123456.1235
 */
export declare function formatGeneralAutoDecimalWithTenDigitRule(v: number): string | null;
export declare function datenum_local(v: Date, date1904?: number): number;
export declare function genarate(value: string | number | boolean): any[] | null;
/** Crypto tickers for typed prefix (e.g. BTC123) — keep aligned with toolbar CRYPTO_OPTIONS. */
export declare const TYPED_CRYPTO_CURRENCY_PREFIXES: readonly ["BTC", "ETH", "SOL"];
/**
 * True when `fa` matches formats produced by typed currency/crypto prefix (or the same shape).
 * Used so the format dropdown shows "Currency" instead of mislabeling `#,##0` masks as "Number".
 */
export declare function isTypedCurrencyDisplayFormat(fa: string | undefined, currencyDetail: unknown): boolean;
/**
 * True for currency / accounting / crypto number formats where we should keep `fa` when the user
 * types plain text, so a later numeric entry still formats like Google Sheets.
 */
export declare function isCurrencyLikeNumberFormat(fa: string | undefined, currencyDetail: unknown): boolean;
/**
 * If the user types a known currency/crypto prefix immediately followed by a parseable number
 * (e.g. `$1,234.5`, `€100`, `BTC1.5`), return numeric cell value + matching currency format.
 * Uses locale `currencyDetail` (fiat symbols); object-shaped locales yield no fiat prefixes.
 */
export declare function parseCurrencyPrefixedInput(raw: string, currencyDetail: unknown): [string, {
    fa: string;
    t: string;
}, number] | null;
export declare function genarateOrCurrencyPrefixed(vupdateStr: string, vupdate: any, currencyDetail: unknown): ReturnType<typeof genarate>;
/** Wrap text for SSF/Excel `fa` so letters like M/H/S/d are not date/time tokens (e.g. MXN → 5XN). */
export declare function quoteSsfLiteral(text: string): string;
/** Build a fiat currency display mask safe for SSF.format (always quotes the symbol). */
export declare function buildFiatCurrencyFormat(symbol: string, decimals?: number, options?: {
    spaced?: boolean;
}): string;
export declare function update(fmt: string, v: any): string;
/** Max decimal places for toolbar +/- on General (Auto) without switching to a numeric `fa`. */
export declare const MAX_GENERAL_AUTO_DP = 15;
/**
 * Recompute `m` for numeric cells with `fa === "General"`.
 * When `ct.dp` is set (1..MAX), uses fixed decimals like Sheets Auto + decimal buttons.
 * Otherwise uses the usual `genarate` General display.
 */
export declare function refreshGeneralNumericDisplay(cell: Cell): void;
export declare function is_date(fmt: string, v?: any): boolean;
export declare function valueShowEs(r: number, c: number, d: CellMatrix): any;