/**
 * PostgreSQL Statistics Tools - Descriptive & Percentiles
 *
 * Descriptive statistics and percentile calculations.
 * 2 tools total.
 */
import type { PostgresAdapter } from "../../postgres-adapter.js";
import type { ToolDefinition } from "../../../../types/index.js";
/**
 * Descriptive statistics: count, min, max, avg, stddev, variance
 */
export declare function createStatsDescriptiveTool(adapter: PostgresAdapter): ToolDefinition;
/**
 * Calculate percentiles
 */
export declare function createStatsPercentilesTool(adapter: PostgresAdapter): ToolDefinition;
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