import type { CoinMetaFetcher } from "./coins.js";
export declare const REGEX_FLOAT: RegExp;
export declare function isFloat(val: string): boolean;
export declare function validateFloat({ value, min, max, required, }: {
    value: string;
    min?: number;
    max?: number;
    required?: boolean;
}): string | undefined;
export declare function isBasicSuiType(val: string): boolean;
export declare function validateCoinType({ value, coinMetaFetcher, required, }: {
    value: string;
    coinMetaFetcher: CoinMetaFetcher;
    required?: boolean;
}): Promise<string | undefined>;
export declare function validateStructType({ value, required, }: {
    value: string;
    required?: boolean;
}): string | undefined;