/**
 * Types for write batching.
 */
import type { WalEntry, OpType } from './types';
/**
 * A pending write operation waiting to be flushed.
 */
export interface PendingWrite {
    /** Serialized data record to write to data file */
    dataRecord: Uint8Array;
    /** The WAL entry to write */
    walEntry: WalEntry;
    /** Key for index update */
    key: string;
    /** Operation type for index update */
    op: OpType;
    /** Resolve function to call on successful flush */
    resolve: () => void;
    /** Reject function to call on failure */
    reject: (error: Error) => void;
}
/**
 * Options for configuring the write batcher.
 */
export interface WriteBatcherOptions {
    /** Maximum number of writes to batch before flushing (default: 100) */
    maxBatchSize?: number;
    /** Maximum time in ms to wait before flushing (default: 10) */
    maxBatchDelayMs?: number;
    /** Maximum total bytes in data file writes before flushing (default: 1MB) */
    maxBatchBytes?: number;
}
/**
 * Result of a batch flush operation.
 */
export interface FlushResult {
    /** Number of writes successfully flushed */
    count: number;
    /** Total bytes written to data file */
    dataBytes: number;
    /** Total bytes written to WAL */
    walBytes: number;
}
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