/**
 * Supported locale codes for number formatting
 * - 'en': English (1,234.56)
 * - 'de': German (1.234,56)
 * - 'fr': French (1 234,56)
 * - 'es': Spanish (1.234,56)
 * - 'in': Indian (1,234.56 with Indian numbering)
 * - 'it': Italian (1.234,56)
 * - 'ch': Swiss (1'234.56)
 * - 'se': Swedish (1 234,56)
 */
export type LocaleCode = 'en' | 'de' | 'fr' | 'es' | 'in' | 'it' | 'ch' | 'se';
/**
 * Supported number systems
 * - 'international': Uses K, M, B, T suffixes (1K, 1M, 1B, 1T)
 * - 'indian': Uses Indian number system suffixes (K, L, Cr)
 */
export type SystemType = 'international' | 'indian';
/**
 * Supported formatting styles
 * - 'short': Shows short format (1k, 1M, 1B, 1T)
 * - 'long': Shows long format (1 thousand, 1 million, 1 billion, 1 trillion)
 */
export type FormatStyle = 'short' | 'long';
/**
 * Combined type for all supported format types
 */
export type FormatType = LocaleCode | SystemType;
/**
 * Options for numify function
 */
export interface NumifyOptions {
    /**
     * The locale or number system to use
     * @example 'en' for English format
     * @example 'indian' for Indian number system
     */
    formatType?: FormatType;
    /**
     * Whether to show decimal places
     * @default false
     */
    precise?: boolean;
    /**
     * Format style to use
     * @default 'short'
     */
    style?: FormatStyle;
    /**
     * Custom units to use for formatting
     * @example ["Bit", "Bits"]
     */
    units?: string[];
}
/**
 * Options for formatNumber function
 */
export interface FormatNumberOptions {
    /**
     * The locale or number system to use
     * @example 'en' for English format
     * @example 'de' for German format
     */
    formatType?: FormatType;
}
/**
 * Converts a number to a human readable format with suffixes
 * @param num - The number to convert
 * @param options - Configuration options
 * @returns The formatted number as a string
 *
 * @example International format (default)
 * ```typescript
 * numify(1234) // "1.23k"
 * numify(1234567) // "1.23M"
 * numify(1234567890) // "1.23B"
 * ```
 *
 * @example Indian format
 * ```typescript
 * numify(1234, { formatType: 'in' }) // "1.23K"
 * numify(123456, { formatType: 'in' }) // "1.23L"
 * numify(12345678, { formatType: 'in' }) // "1.23Cr"
 * ```
 *
 * @example With precise option
 * ```typescript
 * numify(1234, { precise: true }) // "1.234k"
 * ```
 *
 * @example With long format
 * ```typescript
 * numify(1234, { style: 'long' }) // "1.23 thousand"
 * numify(1234567, { style: 'long' }) // "1.23 million"
 * ```
 *
 * @example With custom units
 * ```typescript
 * numify(1234, { units: ["Bit", "Bits"] }) // "1.23 Bits"
 * ```
 */
export declare const numify: (num: number, options?: NumifyOptions) => string;
/**
 * Formats a number with thousand separators according to locale
 * @param num - The number to format
 * @param options - Configuration options
 * @returns The formatted number as a string
 *
 * @example Different locales
 * ```typescript
 * formatNumber(1234567.89) // "1,234,567.89" (en)
 * formatNumber(1234567.89, { formatType: 'de' }) // "1.234.567,89"
 * formatNumber(1234567.89, { formatType: 'fr' }) // "1 234 567,89"
 * formatNumber(1234567.89, { formatType: 'ch' }) // "1'234'567.89"
 * ```
 */
export declare const formatNumber: (num: number, options?: FormatNumberOptions) => string;