import { z } from 'zod';
export declare const ExchangeParam: z.ZodString;
export declare const SymbolParam: z.ZodString;
export declare const OptionalSymbolParam: z.ZodOptional<z.ZodString>;
export declare function LimitParam(defaultValue: number, max: number): z.ZodDefault<z.ZodNumber>;
export declare function validateSymbol(symbol: string): string;
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