import { z } from 'zod';
export interface ToolResult {
    success: boolean;
    data?: unknown;
    error?: string;
    metadata?: {
        exportedTo?: string;
        truncated?: boolean;
        tokenCount?: number;
    };
}
export declare function createSuccessResult(data: unknown, metadata?: ToolResult['metadata']): ToolResult;
export declare function createErrorResult(error: string): ToolResult;
export declare function formatDate(date: Date): string;
export declare function getDateDaysAgo(days: number): string;
export declare function getUnixTimestamp(date?: Date): number;
export declare function getUnixDaysAgo(days: number): number;
export declare function validateSymbol(symbol: string): string;
export declare function validateResolution(resolution: string): string;
export declare const SymbolSchema: z.ZodEffects<z.ZodString, string, string>;
export declare const ResolutionSchema: z.ZodEnum<["1", "5", "15", "30", "60", "D", "W", "M"]>;
export declare const DateRangeSchema: z.ZodObject<{
    from: z.ZodString;
    to: z.ZodString;
}, "strip", z.ZodTypeAny, {
    from: string;
    to: string;
}, {
    from: string;
    to: string;
}>;
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