/**
 * Usage / quota tools.
 *
 * The agent-facing half of the usage read model. Without this, an agent's only
 * way to learn a limit exists is to be refused by it — which is the failure
 * this whole surface was built to fix.
 */
import type { McpToolDefinition, ToolContext, ToolResult } from "../types.js";
export declare const getUsageTool: McpToolDefinition;
export declare function executeGetUsage(_input: unknown, context: ToolContext): Promise<ToolResult>;
export declare const usageTools: McpToolDefinition[];
export declare const usageExecutors: Record<string, (input: unknown, context: ToolContext) => Promise<ToolResult>>;
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