/**
 * High-performance native date parsing and formatting utilities
 *
 * Zero external dependencies. Optimized for CSV batch processing.
 * Uses character code operations and lookup tables for maximum speed.
 */
/** Supported date format strings */
export type DateFormat = "YYYY-MM-DD[T]HH:mm:ssZ" | "YYYY-MM-DD[T]HH:mm:ss" | "YYYY-MM-DD[T]HH:mm:ss.SSSZ" | "YYYY-MM-DD" | "YYYY-MM-DD HH:mm:ss" | "MM-DD-YYYY" | "MM-DD-YYYY HH:mm:ss" | "MM/DD/YYYY HH:mm:ss" | "DD-MM-YYYY" | "DD-MM-YYYY HH:mm:ss" | "DD/MM/YYYY HH:mm:ss";
/**
 * Optimized date parser for batch processing
 *
 * @example
 * const parser = DateParser.create(["YYYY-MM-DD"]);
 * const dates = parser.parseAll(csvStrings);
 */
export declare class DateParser {
    private readonly fns;
    private readonly single;
    private readonly fn0;
    private constructor();
    /** Create parser for specific formats */
    static create(formats: readonly DateFormat[]): DateParser;
    /** Create parser for auto-detecting ISO formats */
    static iso(): DateParser;
    /** Parse single value */
    parse: (value: string) => Date | null;
    /** Parse array of values */
    parseAll(values: string[]): (Date | null)[];
    /** Parse and filter valid dates */
    parseValid(values: string[]): Date[];
}
/**
 * Optimized date formatter for batch processing
 *
 * @example
 * const formatter = DateFormatter.create("YYYY-MM-DD", { utc: true });
 * const strings = formatter.formatAll(dates);
 */
export declare class DateFormatter {
    private readonly fn;
    private constructor();
    /** Create ISO formatter (fastest) */
    static iso(utc?: boolean): DateFormatter;
    /** Create custom format formatter */
    static create(format: string, options?: {
        utc?: boolean;
    }): DateFormatter;
    /** Generic formatter for arbitrary formats */
    private static createGeneric;
    /** Format single date */
    format: (date: Date) => string;
    /** Format array of dates */
    formatAll(dates: Date[]): string[];
}
/** Get supported format strings */
export declare function getSupportedFormats(): DateFormat[];