import { Observable } from 'rxjs';
import { RpcError } from '../common/error';
/**
 * Converts a non-reactive gRPC error to an error type provided by this package.
 * @param error The error to be converted.
 */
export declare function toReactiveError(error: unknown): RpcError;
/**
 * Maps an observable to a new observable whose errors are converted from gRPC errors to errors defined by this package.
 * @param observable Observable to be mapped.
 */
export declare function mapObservableErrors<T>(observable: Observable<T>): Observable<T>;