import { z } from 'zod';
import type { ElsClient } from '../elsClient.js';
import type { ToolResult } from '../types.js';
/**
 * Tool: error_histogram
 * Mapping: GET /analytics/histogram → analytics.routes.ts:241
 * Upstream Zod: HistogramSchema (from + to required, + фасет-фильтры).
 *
 * Bucket size auto-selected by range (5m / 30m / 1h / 1d).
 */
export declare const errorHistogramInputShape: {
    from: z.ZodString;
    to: z.ZodString;
    level: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
    serviceName: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
    appVersion: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
};
export declare const errorHistogramToolDef: {
    name: string;
    title: string;
    description: string;
    inputShape: {
        from: z.ZodString;
        to: z.ZodString;
        level: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
        serviceName: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
        appVersion: z.ZodOptional<z.ZodArray<z.ZodString, "many">>;
    };
};
type Args = {
    from: string;
    to: string;
    level?: string[];
    serviceName?: string[];
    appVersion?: string[];
};
export declare function handleErrorHistogram(args: Args, client: ElsClient): Promise<ToolResult>;
export {};
//# sourceMappingURL=errorHistogram.d.ts.map