import { Observation } from "@medplum/fhirtypes";
import { EcgMeasurement, Measurement, MeasurementTypeKey } from "../../../types";
import { ObservationValue } from "../types/generate-observation-body/ObservationValue";
import { ObservationMetadata } from "../types/service/ObservationMetadata";
import { BaseObservationService } from "./base-observation-service";
export declare class EcgService extends BaseObservationService<EcgMeasurement> {
    protected measurementTypeKey: MeasurementTypeKey;
    protected measurementTypeName: string;
    protected observationMetadata: ObservationMetadata<EcgMeasurement>[];
    generateValues(measurement: Measurement): ObservationValue[];
    getAdditionalProperties(measurement: Measurement): Partial<Observation>[];
    getMeasurementDisplay(measurement: Measurement): string;
    getObservationDisplay(observations: Observation[]): string | undefined;
    convertSamplesToMeasurement(): EcgMeasurement;
    convertRecordToMeasurement(): EcgMeasurement;
}