interface RpcRequest {
    method: string;
    params: unknown[];
}
export declare class RpcError extends Error {
    readonly code: number;
    readonly message: string;
    constructor(code: number, message: string);
    static userRejectedRequest(message: string): RpcError;
    static unauthorized(message: string): RpcError;
}
declare class LocalRpcHandler {
    private readonly args;
    constructor(args: RpcRequest);
    handle(): Promise<string[]>;
    private handleRequestAccounts;
}
declare class MasterIframeRpcHandler {
    private readonly args;
    private readonly DEFAULT_RPC_CALL_TIMEOUT;
    private readonly DEFAULT_RPC_SIGN_TIMEOUT;
    constructor(args: RpcRequest);
    handle(): Promise<{} | null>;
}
/**
 * A handler for rpc request in case intersection observer is not supported
 * Note: It's build in a way to work with safari popup blocker in mind where popups are blocked if they are happen in a Promise
 */
declare class PopupModalRpcHandler {
    private readonly args;
    readonly APPROVAL_REQUIRED_TIMEOUT = 300;
    constructor(args: RpcRequest);
    handle(): Promise<unknown>;
}
export declare function getRpcRequestHandler(args: RpcRequest): LocalRpcHandler | MasterIframeRpcHandler | PopupModalRpcHandler;
export {};