/**
 * @fileoverview PatternStore database query operations
 * @module @skillsmith/core/learning/PatternStore.queries
 *
 * Database operations extracted for file size reduction.
 */
import type { Database } from '../db/database-interface.js';
import type { StoredPattern, PatternOutcomeType } from './PatternStore.types.js';
/**
 * Get total pattern count from database
 */
export declare function getPatternCount(db: Database): number;
/**
 * Get database size in bytes
 */
export declare function getDatabaseSize(db: Database): number;
/**
 * Get sample patterns for Fisher estimation
 */
export declare function getSamplePatterns(db: Database, limit: number, dimensions: number): StoredPattern[];
/**
 * Get all patterns from database
 */
export declare function getAllPatterns(db: Database, dimensions: number): StoredPattern[];
/**
 * Update pattern in database
 */
export declare function updatePatternInDB(db: Database, patternId: string, updates: {
    importance?: number;
    accessCount?: number;
}): void;
/**
 * Update pattern importance
 */
export declare function updatePatternImportance(db: Database, patternId: string, importance: number): void;
/**
 * Update pattern access count
 */
export declare function updateAccessCount(db: Database, patternId: string): void;
/**
 * Delete pattern from database
 */
export declare function deletePattern(db: Database, patternId: string): void;
/**
 * Load Fisher matrix data from database
 */
export declare function loadFisherMatrixData(db: Database): Buffer | null;
/**
 * Save Fisher matrix data to database
 */
export declare function saveFisherMatrixData(db: Database, matrixData: Buffer, updateCount: number): void;
/**
 * Record consolidation in history
 */
export declare function recordConsolidation(db: Database, patternsProcessed: number, patternsPreserved: number, patternsPruned: number, preservationRate: number, durationMs: number, averageImportance: number): void;
/**
 * Get pattern counts by outcome type
 */
export declare function getPatternsByOutcome(db: Database): Record<PatternOutcomeType, number>;
/**
 * Get average pattern importance
 */
export declare function getAverageImportance(db: Database): number;
/**
 * Get count of high importance patterns (top 10%)
 */
export declare function getHighImportanceCount(db: Database): number;
/**
 * Get consolidation statistics
 */
export declare function getConsolidationStats(db: Database): {
    total: number;
    lastTimestamp: number | null;
    avgRate: number | null;
    totalPruned: number | null;
};
/**
 * Get context embeddings for average calculation
 */
export declare function getContextEmbeddings(db: Database, limit: number): Array<{
    context_embedding: Buffer;
}>;
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