import BN from 'bn.js';
export type ReformatAction = {
    type: 'UseExclusively';
    records: {
        key: string;
        value: any;
    }[];
} | {
    type: 'UseReplace';
    value: any;
} | {
    type: 'Remove';
} | {
    type: 'UsePassThrough';
};
export type ObjectFormatterFn = (key: string, value: any) => ReformatAction;
export interface ObjectFormatterInterface {
    format: ObjectFormatterFn;
}
export declare class BaseObjectFormatter implements ObjectFormatterInterface {
    format(_key: string, _value: any): ReformatAction;
}
export declare class ChainedKeyNameFormatter extends BaseObjectFormatter {
    readonly formatters: ObjectFormatterFn[];
    constructor(...formatters: ObjectFormatterFn[]);
    format(key: string, value: any): ReformatAction;
    addFormatter(formatter: ObjectFormatterFn | undefined): void;
}
export declare function reformat(value: any, formatter?: ObjectFormatterFn | BaseObjectFormatter): any;
export declare function reformatReserved(key: string, value: any): ReformatAction;
export declare function isBN(value: unknown): value is BN;
//# sourceMappingURL=formatter.d.ts.map