import { PrometheusConfig, PrometheusResponse, QueryResult, TargetsResult, MetricMetadata } from './types.js';
export declare class PrometheusClient {
    private client;
    constructor(config: PrometheusConfig);
    private filterQueryResult;
    query(query: string, time?: string, includes?: string[]): Promise<PrometheusResponse<QueryResult>>;
    range(query: string, start: string, end: string, step: string, includes?: string[]): Promise<PrometheusResponse<QueryResult>>;
    discover(): Promise<PrometheusResponse<string[]>>;
    metadata(metric?: string): Promise<PrometheusResponse<Record<string, MetricMetadata[]>>>;
    targets(state?: 'active' | 'dropped' | 'any'): Promise<PrometheusResponse<TargetsResult>>;
}
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