import type { RpcRequestGovernor, RpcUsageWindow } from '@origintrail-official/dkg-chain';
import { ethers } from 'ethers';
import type { ResolvedChainConfig } from '../config.js';
import { type RuntimeEvmChainConfig } from '../runtime-chain-config.js';
export interface DaemonRpcEndpointProbe {
    readonly index: number;
    readonly role: 'primary' | 'backup';
    readonly ok: boolean;
    readonly status: 'healthy' | 'unhealthy' | 'skipped-local-capacity';
    readonly latencyMs: number | null;
    readonly blockNumber: number | null;
    readonly error?: string;
}
/** One bound transport shared by every daemon-owned direct RPC route. */
export interface DaemonRouteRpcTransport {
    createProvider(rpcUrl: string, rpcUrls?: readonly string[]): ethers.JsonRpcProvider | ethers.FallbackProvider;
    probeEndpoint(rpcUrl: string, index: number): Promise<DaemonRpcEndpointProbe>;
}
/** Process-owned RPC state assembled once at the daemon composition root. */
export interface DaemonRpcRuntime {
    readonly governor: RpcRequestGovernor;
    /** Omitted until the Hub fields required by the EVM adapter are complete. */
    readonly chainConfig?: RuntimeEvmChainConfig;
    readonly routeTransport: DaemonRouteRpcTransport;
    readonly drainRouteRpcUsage: () => RpcUsageWindow;
}
export declare function createDaemonRpcRuntime(chain: ResolvedChainConfig | undefined): DaemonRpcRuntime | undefined;
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