import 'reflect-metadata';
export declare const isEthAddressMetadataKey: unique symbol;
export declare const isPermitDeadline32Bytes: unique symbol;
export declare const isEthAddressArrayMetadataKey: unique symbol;
export declare const isEthAddressOrENSMetadataKey: unique symbol;
export declare const isPositiveMetadataKey: unique symbol;
export declare const isPositiveOrMinusOneMetadataKey: unique symbol;
export declare const is0OrPositiveMetadataKey: unique symbol;
export declare const optionalMetadataKey: unique symbol;
export declare const isEthAddressArrayMetadataKeyNotEmpty: unique symbol;
export declare type paramsType = {
    index: number;
    field: string | undefined;
};
export declare function isDeadline32Bytes(field?: string): (target: any, propertyKey: string | symbol, parameterIndex: number) => void;
export declare function isEthAddress(field?: string): (target: any, propertyKey: string | symbol, parameterIndex: number) => void;
export declare function isEthAddressArray(field?: string): (target: any, propertyKey: string | symbol, parameterIndex: number) => void;
export declare function isEthAddressOrENS(field?: string): (target: any, propertyKey: string | symbol, parameterIndex: number) => void;
export declare function isPositiveAmount(field?: string): (target: any, propertyKey: string | symbol, parameterIndex: number) => void;
export declare function is0OrPositiveAmount(field?: string): (target: any, propertyKey: string | symbol, parameterIndex: number) => void;
export declare function isPositiveOrMinusOneAmount(field?: string): (target: any, propertyKey: string | symbol, parameterIndex: number) => void;
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