/**
 * Cross-file batching for embeddings and storage
 * Optimizes by batching operations across multiple files instead of per-file
 */
import type { EmbeddingProvider } from '../embeddings/base.js';
import type { Storage } from '../storage/index.js';
import type { CodeBlock } from '../types/models.js';
interface BatchResult {
    totalBlocks: number;
    files: Set<string>;
    duration: number;
}
export interface CrossFileBatcherConfig {
    embedder: EmbeddingProvider;
    storage: Storage;
    collectionName: string;
    maxBlocksPerBatch: number;
    maxPointsPerUpsert: number;
    enableQualityFilter?: boolean;
    enableEnrichment?: boolean;
}
/**
 * Batches embedding and storage operations across multiple files
 * to reduce API overhead and improve throughput
 */
export declare class CrossFileBatcher {
    private pendingBlocks;
    private config;
    private stats;
    constructor(config: CrossFileBatcherConfig);
    /**
     * Add blocks from a file to the pending batch
     * Filters out low-quality chunks if enabled
     */
    addBlocks(file: string, blocks: CodeBlock[]): void;
    /**
     * Check if batch should be flushed
     */
    shouldFlush(): boolean;
    /**
     * Get number of pending blocks
     */
    getPendingCount(): number;
    /**
     * Flush pending blocks - embed and store them
     */
    flush(): Promise<BatchResult>;
    /**
     * Clear all pending blocks without processing
     */
    clear(): void;
    /**
     * Reset cumulative statistics
     * Call this when starting a new indexing session to reset lifetime counters
     */
    resetStats(): void;
    /**
     * Get statistics about pending batch and filtering
     * Note: totalProcessed, filteredBlocks, and enrichedBlocks are cumulative lifetime statistics
     * Call resetStats() to reset these counters for a new indexing session
     */
    getStats(): {
        pendingBlocks: number;
        pendingFiles: number;
        totalProcessed: number;
        filteredBlocks: number;
        enrichedBlocks: number;
        filterRate: number;
    };
}
export {};
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