/**
 * utilities around unicode technical standard 35
 *
 * @see {@link https://unicode.org/reports/tr35/tr35-dates.html#table-date-field-symbol-table}
 * @module
 */
import { type Codec } from "./Codec.js";
/**
 * date formats keyed by regex.
 *
 * Explicitly sorted by resolution low -> high and within a resolution from most specific to most generic
 */
export declare const dateFormatEntries: (readonly [RegExp, {
    type: "era";
}] | readonly [RegExp, {
    type: "year";
}] | readonly [RegExp, {
    type: "month";
}] | readonly [RegExp, {
    type: "weekday";
}] | readonly [RegExp, {
    type: "day";
}] | readonly [RegExp, {
    type: "period";
}] | readonly [RegExp, {
    type: "hour";
}] | readonly [RegExp, {
    type: "minute";
}] | readonly [RegExp, {
    type: "second";
}] | readonly [RegExp, {
    type: "fractionalSecond";
}] | readonly [RegExp, {
    type: "timeZoneName";
}])[];
export type PartDefinition = (typeof dateFormatEntries)[number][1] | {
    type: "literal";
} | {
    type: "unknown";
};
export type FormatPart = PartDefinition & {
    value: string;
};
export type PatternPart = {
    pattern: string;
} & PartDefinition;
export type ValuePart = PatternPart & {
    value: string;
};
export declare const lowToHighResolution: (a: PartDefinition, b: PartDefinition) => number;
export declare const patternToParts: (pattern: string) => PatternPart[];
export declare const valueToParts: (string: string, pattern: string) => ValuePart[];
export declare const splitBySeperators: (string: string, pattern: string) => FormatPart[];
export declare const parse: (value: string, pattern: string) => Date;
export declare const format: (value: Date, pattern: string) => string;
export declare const formatToParts: (value: Date, pattern: string) => FormatPart[];
/**
 * assign a stringified value to a date according to a pattern
 */
export declare const assign: (date: Date, pattern: string, value: string) => Date;
/**
 * creates a new codec with the given UTS35 pattern
 */
export declare const uts35__Date: (pattern: string) => Codec<string, Date>;