import { z } from 'zod';
import type { AiSdkTool } from '../tools/Tool.js';
export interface DateParserOptions {
    referenceDate?: Date;
    forwardDate?: boolean;
    timezones?: Record<string, number>;
}
export interface ParsedDateResult {
    date?: Date;
    text: string;
    confidence: number;
    start: number;
    end: number;
}
declare const dateParserInputSchema: z.ZodObject<{
    text: z.ZodString;
    referenceDate: z.ZodOptional<z.ZodString>;
    timezone: z.ZodOptional<z.ZodString>;
}, z.core.$strip>;
type DateParserInput = z.infer<typeof dateParserInputSchema>;
type DateParserOutput = {
    success: true;
    input: string;
    parsed: {
        date: string;
        text: string;
        confidence: number;
        start: number;
        end: number;
    };
    startDate: string | undefined;
    endDate: string | undefined;
} | {
    success: false;
    error: string;
    text: string;
};
export declare function createDateParser(options?: DateParserOptions): AiSdkTool<DateParserInput, DateParserOutput>;
export declare function parseDate(text: string, options?: DateParserOptions): {
    date?: Date;
    text: string;
    confidence: number;
} | null;
export declare function parseDateRange(text: string, options?: DateParserOptions): {
    start?: Date;
    end?: Date;
    text: string;
} | null;
export declare function formatDateForSpeech(date: Date): string;
export declare function formatTimeForSpeech(date: Date): string;
export declare const commonDateExpressions: readonly ["tomorrow", "next Friday", "this weekend", "March 15th", "in 3 days", "last week", "next month", "today at 3pm", "tomorrow morning", "Friday afternoon"];
export declare const dateParser: AiSdkTool<DateParserInput, DateParserOutput>;
export {};