import type { Connection, PublicKey } from "@solana/web3.js";
import type { LightconeHttp } from "./http";
import type { DepositSource } from "./shared";
import type { SigningStrategy } from "./shared/signing";
import { type RpcFailoverState } from "./rpcFailover";
export interface ClientContext {
    readonly http: LightconeHttp;
    readonly programId: PublicKey;
    readonly primaryConnection?: Connection;
    readonly backupConnection?: Connection;
    readonly rpcFailoverState: RpcFailoverState;
    readonly depositSource: DepositSource;
    readonly signingStrategy?: SigningStrategy;
    orderNonce?(): number | undefined;
    setOrderNonce?(nonce: number): void;
    /** @deprecated Use primaryConnection — kept for backward compat in domain sub-clients. */
    readonly connection?: Connection;
}
export declare function requireConnection(ctx: ClientContext): Connection;
export declare function connectionWithFailover<T>(ctx: ClientContext, operation: (conn: Connection) => Promise<T>): Promise<T>;
export declare function resolveDepositSource(ctx: ClientContext, overrideSource: DepositSource | undefined): DepositSource;
export declare function requireSigningStrategy(ctx: ClientContext): SigningStrategy;
export declare function signAndSubmitTx(ctx: ClientContext, tx: import("@solana/web3.js").Transaction): Promise<string>;
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