/**
 * PostgreSQL Statistics Tools - Window Functions
 *
 * SQL window function tools: row_number, rank, lag/lead, running_total, moving_avg, ntile.
 * 6 tools total.
 */
import type { PostgresAdapter } from "../../postgres-adapter.js";
import type { ToolDefinition } from "../../../../types/index.js";
export declare function createStatsRowNumberTool(adapter: PostgresAdapter): ToolDefinition;
export declare function createStatsRankTool(adapter: PostgresAdapter): ToolDefinition;
export declare function createStatsLagLeadTool(adapter: PostgresAdapter): ToolDefinition;
export declare function createStatsRunningTotalTool(adapter: PostgresAdapter): ToolDefinition;
export declare function createStatsMovingAvgTool(adapter: PostgresAdapter): ToolDefinition;
export declare function createStatsNtileTool(adapter: PostgresAdapter): ToolDefinition;
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