/**
 * Prometheus Metrics Format Protocol Adapter
 *
 * Supports full Prometheus exposition format including:
 * - Metric types (counter, gauge, histogram, summary)
 * - Labels and label matching
 * - Comments and metadata
 * - Remote write protocol
 * - Metric family grouping
 */
import type { TimeSeriesPoint } from '../../../types/timeseries';
import type { ProtocolAdapter } from '../interfaces';
export declare class PrometheusProtocolAdapter implements ProtocolAdapter {
    name: string;
    version: string;
    parse(data: string | Uint8Array): Promise<TimeSeriesPoint[]>;
    format(points: TimeSeriesPoint[]): Promise<string>;
    validate(data: string | Uint8Array): Promise<boolean>;
    getSchema(): Promise<object>;
    private parsePrometheusText;
    private parseComment;
    private parseMetricSample;
    private extractBaseName;
    private inferMetricType;
    private convertMetricFamilyToPoints;
    private convertHistogramToPoints;
    private convertSummaryToPoints;
    private generateLabelKey;
    private formatPrometheusText;
    private formatMetricSample;
    private escapePrometheusValue;
}
/**
 * Remote Write Protocol Support
 */
export declare class PrometheusRemoteWriteAdapter extends PrometheusProtocolAdapter {
    name: string;
    version: string;
    parseRemoteWrite(data: Uint8Array): Promise<TimeSeriesPoint[]>;
    formatRemoteWrite(points: TimeSeriesPoint[]): Promise<Uint8Array>;
    validate(data: string | Uint8Array): Promise<boolean>;
}
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