/**
 * Format token amount to at least 6 decimals.
 * @param amount amount to format.
 * @returns formatted amount.
 */
export declare function formatTokenAmount(amount: bigint | undefined, decimals: number): string;
export declare function formatSlippage(slippage?: string, defaultValue?: string, returnInitial?: boolean): string;
/**
 * Formats a user input amount string, normalizing it and optionally limiting decimal places.
 * @param amount - The amount string to format (e.g., '123.45', '1,23', '0..')
 * @param decimals - Maximum number of decimal places to allow. If null, no limit is applied.
 * @param returnInitial - If true, preserves the input format during typing (e.g., keeps trailing dots,
 *                        preserves leading zeros, keeps negative signs). If false (default), cleans up the
 *                        format on blur (removes leading/trailing zeros, removes negative signs).
 * @returns The formatted amount string, or empty string for invalid input.
 */
export declare function formatInputAmount(amount: string, decimals?: number | null, returnInitial?: boolean): string;
export declare function formatTokenPrice(amount?: string | bigint, price?: string, decimals?: number): number;
/**
 * Convert price value to token amount
 */
export declare function priceToTokenAmount(priceValue: string, priceUSD?: string): string;
export declare function formatDuration(seconds: number, locale: string): string;
export declare function wrapLongWords(text: string): string;