import { GeneratedType } from '@cosmjs/proto-signing';
import { Writer, Reader } from 'protobufjs';
import { Any } from './proto/google/protobuf/any';
export type AnyWithUnpacked = Any | (Any & {
    unpacked: unknown;
    factory: ProtoFactory;
});
export declare class UnknownMessage implements Any {
    protected readonly _typeUrl: string;
    protected readonly _value: Uint8Array;
    constructor(_typeUrl: string, _value: Uint8Array);
    get typeUrl(): string;
    get value(): Uint8Array;
    toJSON(): {
        type_url: string;
        value: string;
    };
}
export interface ProtoFactory {
    encode: (message: any, writer?: Writer) => Writer;
    decode: (r: Reader | Uint8Array, l?: number) => any;
    fromJSON: (object: any) => any;
    toJSON: (message: any) => any;
}
export declare class ProtoCodec {
    protected codecRegistry: Record<string, ProtoFactory>;
    unpackAny(any: Any): AnyWithUnpacked;
    registerType(typeUrl: string, generatedType: GeneratedType): void;
    listSupportedTypes(): string[];
}
export declare const defaultProtoCodec: ProtoCodec;