import type { RpcRequest, RpcResponse } from './protocol.js';
import type { BatchConfig } from './types.js';
export interface BatchSchedulerOptions extends BatchConfig {
    /** Return RPC errors as results instead of throwing (default: false) */
    raw?: boolean;
    /** Send a single request individually (fallback when batching is disabled) */
    sendSingle?: (request: RpcRequest) => Promise<unknown>;
    /** Custom predicate to detect batch rejection errors (default: checks for parse error / invalid request codes) */
    isBatchRejection?: (error: unknown) => boolean;
}
export declare class BatchScheduler {
    private queue;
    private timer;
    private config;
    private raw;
    private send;
    private sendSingle?;
    private checkBatchRejection;
    private _disabled;
    private disableTimer;
    constructor(config: BatchSchedulerOptions, send: (requests: RpcRequest[]) => Promise<RpcResponse[]>);
    get disabled(): boolean;
    enqueue(request: RpcRequest): Promise<unknown>;
    flush(): Promise<void>;
    private disableBatching;
}
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