import Long from 'long';
export declare function bytesFromBase64(b64: string): Uint8Array;
export declare function base64FromBytes(arr: Uint8Array): string;
type Builtin = Date | Function | Uint8Array | string | number | boolean | undefined;
export type DeepPartial<T> = T extends Builtin ? T : T extends Long ? string | number | Long : T extends globalThis.Array<infer U> ? globalThis.Array<DeepPartial<U>> : T extends ReadonlyArray<infer U> ? ReadonlyArray<DeepPartial<U>> : T extends {} ? {
    [K in keyof T]?: DeepPartial<T[K]>;
} : Partial<T>;
type KeysOfUnion<T> = T extends T ? keyof T : never;
export type Exact<P, I extends P> = P extends Builtin ? P : P & {
    [K in keyof P]: Exact<P[K], I[K]>;
} & {
    [K in Exclude<keyof I, KeysOfUnion<P>>]: never;
};
export declare function isSet(value: any): boolean;
export {};