import type { Metric, PromMetricsMetadata, DataProviderParams } from '../types';
export declare class DataProvider {
    readonly metricNamesSuggestionLimit: number;
    private inputInRange;
    private suggestionsIncomplete;
    private readonly lookbackInterval;
    private variablesNames;
    private readonly url;
    private readonly errorHandler?;
    private readonly httpMethod;
    private readonly apiPrefix;
    private enableRequests;
    private readonly customRequest;
    metrics: string[];
    labelKeys: string[];
    metricsMetadata?: PromMetricsMetadata;
    durationVariablesCompletion: boolean;
    constructor(params: DataProviderParams);
    getVariablesNames(): string[];
    setVariablesNames(variablesNames: string[]): void;
    private buildRequest;
    private request;
    fetchSeries: (selector: string, withLimit?: string | undefined) => Promise<Record<string, string | undefined>[]>;
    fetchLabels: (selector: string) => Promise<string[]>;
    fetchLabelValues: (labelName: string, selector: string) => Promise<string[]>;
    getAllMetricNames(): string[];
    start: () => Promise<PromMetricsMetadata[]>;
    loadMetricsMetadata(): Promise<PromMetricsMetadata>;
    metricNamesToMetrics(metricNames: string[]): Metric[];
    private setInputInRange;
    private enableAutocompleteSuggestionsUpdate;
    get monacoSettings(): {
        /**
         * Enable autocomplete suggestions update on every input change.
         *
         * @remarks
         * If fuzzy search is used in `getCompletions` to trim down results to improve performance,
         * we need to instruct Monaco to update the completions on every input change, so that the
         * completions reflect the current input.
         */
        enableAutocompleteSuggestionsUpdate: () => void;
        inputInRange: string;
        setInputInRange: (textInput: string) => void;
        suggestionsIncomplete: boolean;
    };
}