type FlexibleTimeValue = number | string | Date | null | undefined;
declare function prepareDateValue(t: FlexibleTimeValue): Date | undefined;
type DateTimeInterpolationParts = {
    upperZulu: string;
    lowerZulu: string;
    hours: number;
    hours12: number;
    hoursZero: string;
    minutes: number;
    minutesZero: string;
    seconds: number;
    secondsZero: string;
    ampm: string;
    ampmLower: string;
    day: number;
    dayZero: string;
    dayOrd: string;
    weekdayNumber: number;
    weekday: string;
    weekdayAbbr: string;
    month: number;
    monthZero: string;
    monthName: string;
    monthAbbr: string;
    year: number;
};
declare function dateTimeInterpolationParts(d: Date, { utc }?: {
    utc?: boolean;
}): DateTimeInterpolationParts;
declare function fmtShortTimeZulu(t: FlexibleTimeValue, { showZ }?: {
    showZ?: boolean;
}): string;
declare function fmtTimeZulu(t: FlexibleTimeValue, { showZ, compact }?: {
    showZ?: boolean;
    compact?: boolean;
}): string;
declare function fmtDateZulu(t: FlexibleTimeValue): string;
declare function fmtDateTimeDynamic(t: FlexibleTimeValue, { now, compact, utc }?: {
    now?: Date;
    compact?: boolean;
    utc?: boolean;
}): string;
declare function fmtDateTimeDynamicZulu(t: FlexibleTimeValue, { now, compact }?: {
    now?: Date;
    compact?: boolean;
}): string;
declare function fmtDateDynamic(t: FlexibleTimeValue, { now, compact, utc }?: {
    now?: Date;
    compact?: boolean;
    utc?: boolean;
}): string;
declare function fmtDateDynamicZulu(t: FlexibleTimeValue, { now, compact }?: {
    now?: Date;
    compact?: boolean;
}): string;
declare function fmtDateTimeNice(t: FlexibleTimeValue, { utc }?: {
    utc?: boolean;
}): string;
declare function fmtDateTimeNiceZulu(t: FlexibleTimeValue): string;
declare function fmtDateNice(t: FlexibleTimeValue, { utc }?: {
    utc?: boolean;
}): string;
declare function fmtDateNiceZulu(t: FlexibleTimeValue): string;
declare function fmtDateFull(t: FlexibleTimeValue, { compact, utc }?: {
    compact?: boolean;
    utc?: boolean;
}): string;
declare function fmtDateFullZulu(t: FlexibleTimeValue, { compact }?: {
    compact?: boolean;
}): string;
declare function fmtDateTimeRelative(t: FlexibleTimeValue, { now, roundTo }?: {
    now?: Date;
    roundTo?: 'minutes' | 'hours';
}): string;
declare function fmtTimestamp(t: FlexibleTimeValue): string;
declare function fmtADIFDate(t: FlexibleTimeValue): string;
declare function fmtADIFTime(t: FlexibleTimeValue): string;
declare function fmtADIFDateTime(t: FlexibleTimeValue): string;
declare function fmtCabrilloDate(t: FlexibleTimeValue): string;
declare function fmtCabrilloTime(t: FlexibleTimeValue): string;
declare function fmtISODate(t: FlexibleTimeValue): string;
declare function fmtISODateTime(t: FlexibleTimeValue): string;
declare function fmtTimeBetween(t1: FlexibleTimeValue, t2: FlexibleTimeValue, { roundTo }?: {
    roundTo?: 'minutes' | 'hours';
}): string;
declare function fmtDateTimeNiceRange(t1: FlexibleTimeValue, t2: FlexibleTimeValue, { utc }?: {
    utc?: boolean;
}): string;
declare function fmtDateTime(t: FlexibleTimeValue, options?: Intl.DateTimeFormatOptions): string;
declare function dateFormatterGenerator(formatName: string, options?: Intl.DateTimeFormatOptions): (t: FlexibleTimeValue) => string;
declare function fmtDateTimeISO(t: FlexibleTimeValue): string;

type TranslationFunction = (key: string | string[], fallback: string, params?: Record<string, string | number | null | undefined>) => string;
declare const defaultTranslationImplementation: TranslationFunction;
declare const defaultI18N: {
    t: TranslationFunction;
};
declare function setTranslationFunction(t: TranslationFunction): void;
declare function getCurrentLocale(): string;

type NumberFormat = 'default' | 'integer' | 'oneDecimal';
declare function fmtNumber(n: number | string, format?: NumberFormat): string;
declare const fmtInteger: (n: number | string) => string;
declare const fmtOneDecimal: (n: number | string) => string;
declare function fmtPercent(n: number | string, format?: NumberFormat): string;
declare function fmtMegabytes(bytes: number): string;
declare function fmtGigabytes(bytes: number): string;

declare function capitalizeString(str: string, options?: {
    content?: 'text' | 'name';
    force?: boolean;
}): string;
declare function capitalizeFirstLetter(str: string): string;
declare function camelCaseToWords(camelCase: string, { capitalize }?: {
    capitalize?: boolean;
}): string;
type TemplatePrimitiveValue = string | number | null | undefined;
type TemplateFunction = (key: string, context: Record<string, TemplatePrimitiveValue | TemplateFunction>) => string;
type TemplateValue = TemplatePrimitiveValue | TemplateFunction;
declare function simpleTemplate(template: string, values?: Record<string, TemplateValue>, context?: Record<string, TemplateValue>): string;
declare function countTemplate(count: number, { zero, one, more }?: {
    zero?: string;
    one?: string;
    more?: string;
}, context?: Record<string, TemplateValue>): string;
declare function sanitizeToISO8859(text: string): string;
declare function escapeToUnicodeEntities(text: string): string;
declare function removeASCIIControlCharacters(text: string): string;
declare function slashZeros(text: string): string;
declare function sanitizeForMarkdown(text: string): string;
declare function joinAnd(parts: string[], { separator, conjunction, final }?: {
    separator?: string;
    conjunction?: string;
    final?: string;
}): string;

declare function fmtFreq(freq: number, { mode }?: {
    mode: string;
}): string;
declare function partsForFreq(freq: number): string[];
declare function parseFreq(freq: string | number): number | null;

export { camelCaseToWords, capitalizeFirstLetter, capitalizeString, countTemplate, dateFormatterGenerator, dateTimeInterpolationParts, defaultI18N, defaultTranslationImplementation, escapeToUnicodeEntities, fmtADIFDate, fmtADIFDateTime, fmtADIFTime, fmtCabrilloDate, fmtCabrilloTime, fmtDateDynamic, fmtDateDynamicZulu, fmtDateFull, fmtDateFullZulu, fmtDateNice, fmtDateNiceZulu, fmtDateTime, fmtDateTimeDynamic, fmtDateTimeDynamicZulu, fmtDateTimeISO, fmtDateTimeNice, fmtDateTimeNiceRange, fmtDateTimeNiceZulu, fmtDateTimeRelative, fmtDateZulu, fmtFreq, fmtGigabytes, fmtISODate, fmtISODateTime, fmtInteger, fmtMegabytes, fmtNumber, fmtOneDecimal, fmtPercent, fmtShortTimeZulu, fmtTimeBetween, fmtTimeZulu, fmtTimestamp, getCurrentLocale, joinAnd, parseFreq, partsForFreq, prepareDateValue, removeASCIIControlCharacters, sanitizeForMarkdown, sanitizeToISO8859, setTranslationFunction, simpleTemplate, slashZeros };