import { BigNumber } from "@ethersproject/bignumber";
import { SignatureLike, SignatureTuple } from "../util/index.js";
export declare class FieldError extends Error {
    constructor(ty: FieldType, name: string, value: any);
}
export interface FieldType {
    canonicalize(value: any): any;
    emptyValue(): any;
}
export interface FieldTypes {
    [name: string]: FieldType;
}
export interface Fields {
    [name: string]: any;
}
export declare const FieldTypeAddress: {
    canonicalize(value: any): string;
    emptyValue(): string;
};
export declare const FieldTypeBytes: {
    canonicalize(value: any): string;
    emptyValue(): string;
};
export declare class FieldTypeNumberBits implements FieldType {
    maxBits: number;
    maxBN: BigNumber;
    constructor(maxBits?: number);
    canonicalize(value: any): string;
    emptyValue(): string;
}
export declare const FieldTypeUint8: FieldTypeNumberBits;
export declare const FieldTypeUint32: FieldTypeNumberBits;
export declare const FieldTypeUint64: FieldTypeNumberBits;
export declare const FieldTypeUint256: FieldTypeNumberBits;
export declare const FieldTypeBool: {
    canonicalize(value: any): string;
    emptyValue(): string;
};
export declare const FieldTypeSignatureTuples: {
    canonicalize(value: SignatureLike[]): SignatureTuple[];
    emptyValue(): SignatureTuple[];
};