import { TypedApi } from 'polkadot-api';
import { gdev, gdev_local, gtest } from '../descriptors';
import { CryptoSchema } from '../types';
/**
 * Service responsible for determining the crypto schema of a chain
 * Follows Single Responsibility Principle (SRP)
 */
export declare class CryptoSchemaService {
    private api;
    constructor(api: TypedApi<typeof gdev | typeof gdev_local | typeof gtest>);
    /**
     * Get the crypto schema for the current chain
     * @returns The crypto schema (sr25519 or ed25519)
     */
    getCryptoSchema(): Promise<CryptoSchema>;
}