import { StoragePoint } from '../../storage.types';
export interface StoredPoint {
    measurement: string;
    tags: Record<string, string>;
    fields: Record<string, string | number | boolean>;
    timestamp: Date;
}
export declare class InMemoryTimeSeriesStore {
    private readonly logger;
    private readonly data;
    private readonly maxPointsPerMeasurement;
    private readonly maxAgeMs;
    private evictionTimer;
    constructor(maxPointsPerMeasurement?: number, maxAgeMs?: number);
    destroy(): void;
    writePoints(points: StoragePoint[]): void;
    query(measurement: string, where?: Record<string, string | string[]>, timeFrom?: Date, timeTo?: Date, orderDesc?: boolean, limit?: number): StoredPoint[];
    queryGroupByTag(measurement: string, groupByTag: string, aggregations: Array<{
        func: string;
        field: string;
        alias: string;
    }>, where?: Record<string, string | string[]>, timeFrom?: Date, timeTo?: Date): Array<Record<string, unknown>>;
    aggregate(measurement: string, aggregations: Array<{
        func: string;
        field: string;
        alias: string;
    }>, where?: Record<string, string | string[]>, timeFrom?: Date, timeTo?: Date): Record<string, unknown> | null;
    aggregateByTime(measurement: string, aggregations: Array<{
        func: string;
        field: string;
        alias: string;
    }>, bucketMs: number, where?: Record<string, string | string[]>, timeFrom?: Date, timeTo?: Date, fillNone?: boolean): Array<Record<string, unknown>>;
    delete(measurement: string, where?: Record<string, string | string[]>): void;
    dropMeasurement(measurement: string): void;
    getMeasurements(): string[];
    createNanoDate(date: Date): {
        _nanoISO: string;
        toISOString: () => string;
        getTime: () => number;
    };
    pointToRow(point: StoredPoint, selectFields?: string[]): Record<string, unknown>;
    private normalizeFields;
    private evict;
}