/**
 * PostgreSQL Performance Tools - EXPLAIN Operations
 *
 * NOTE: Uses the "Split Schema" pattern where ExplainSchemaBase (without
 * z.preprocess) is used for MCP inputSchema visibility, while ExplainSchema
 * (with preprocess) is used in the handler for alias support.
 */
import type { PostgresAdapter } from "../../postgres-adapter.js";
import type { ToolDefinition } from "../../../../types/index.js";
export declare function createExplainTool(adapter: PostgresAdapter): ToolDefinition;
export declare function createExplainAnalyzeTool(adapter: PostgresAdapter): ToolDefinition;
export declare function createExplainBuffersTool(adapter: PostgresAdapter): ToolDefinition;
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