export type SolanaNetwork = 'devnet' | 'testnet' | 'mainnet-beta';
interface SolanaNetworkConfig {
    network: SolanaNetwork;
    rpcUrl: string;
    networkId: string;
}
export interface NetworkRpcConfig {
    devnetRpcUrl?: string;
    mainnetRpcUrl?: string;
    testnetRpcUrl?: string;
}
export declare function normalizeNetwork(raw?: string): SolanaNetwork;
export declare function networkToId(network: SolanaNetwork): string;
export declare function networkIdToNetwork(networkId: string): SolanaNetwork;
export declare function resolveSolanaNetwork(env?: NodeJS.ProcessEnv): SolanaNetworkConfig;
/**
 * Resolve RPC URL for a specific network
 * Checks network-specific env vars first, then falls back to generic or default
 */
export declare function resolveRpcUrlForNetwork(network: SolanaNetwork, config?: NetworkRpcConfig, env?: NodeJS.ProcessEnv): string;
export declare function isMainnet(network: SolanaNetwork): boolean;
export declare function createNonce(length?: number): string;
export {};
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