/**
 * Configuration for retry behavior on Solana RPC calls.
 */
export interface RpcRetryPolicy {
    /** Maximum number of retry attempts (default: 3) */
    maxRetries: number;
    /** Base delay in ms for exponential backoff (default: 1000) */
    baseDelayMs: number;
    /** Maximum delay cap in ms (default: 10000) */
    maxDelayMs: number;
}
export declare const DEFAULT_RPC_RETRY: RpcRetryPolicy;
/**
 * Execute an async function with retries on transient RPC failures.
 *
 * Retries on: BlockhashNotFound, HTTP 429/502/503/504, timeouts, connection resets.
 * Does NOT retry on: program errors (6xxx), signature verification failures, or other
 * deterministic errors that would fail again.
 *
 * @param fn      The async operation to execute
 * @param policy  Retry configuration (uses sensible defaults if omitted)
 * @returns       The result of the async operation
 *
 * @example
 * ```ts
 * const txSig = await withRpcRetry(
 *   () => program.methods.transact(...).accounts({...}).signers([...]).rpc(),
 *   { maxRetries: 5 },
 * );
 * ```
 */
export declare function withRpcRetry<T>(fn: () => Promise<T>, policy?: Partial<RpcRetryPolicy>): Promise<T>;