import { ApiPromise, WsProvider } from '@polkadot/api';
import { RuntimeSpec } from '../../../types.js';
import { RuntimeVersion } from '../../../enums.js';
/**
 * Fetches the runtime spec from the chain.
 * @param api - The ApiPromise instance.
 * @returns The runtime spec.
 */
export declare function fetchRuntimeVersion(api: ApiPromise): RuntimeSpec;
export declare function fetchRuntimeVersionFromProvider(provider: WsProvider): Promise<RuntimeSpec>;
export declare function isVersionAtLeast(runtimeSpec: RuntimeSpec, targetVersion: RuntimeVersion): boolean;
export declare function isVersionBetween(runtimeSpec: RuntimeSpec, minVersion: RuntimeVersion, maxVersion: RuntimeVersion): boolean;
export declare function isVersionExactly(runtimeSpec: RuntimeSpec, targetVersion: RuntimeVersion): boolean;
export declare function requireVersionAtLeast(runtimeSpec: RuntimeSpec, targetVersion: RuntimeVersion, featureName: string): void;
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