import { BaseResourceAPI, CDFHttpClient, ExternalId, MetadataMap } from '@cognite/sdk-core';
import { Unit } from '../../types';
export declare class UnitsAPI extends BaseResourceAPI<Unit> {
    private unitSystemsApi;
    constructor(...args: [string, CDFHttpClient, MetadataMap]);
    /**
     * [List all supported units](https://developer.cognite.com/api#tag/Units/operation/listUnits)
     *
     * ```js
     * const units = await client.units.list();
     * ```
     */
    list: () => Promise<import('@cognite/sdk-core').ListResponse<Unit[]>>;
    /**
     * [Retrieve one or more units](https://developer.cognite.com/api#tag/Units/operation/byIdsUnits)
     *
     * ```js
     * const units = await client.units.retrieve([{ externalId: 'temperature:deg_c' }, { externalId: 'pressure:bar' }]);
     * ```
     */
    retrieve: (ids: ExternalId[]) => Promise<Unit[]>;
    /**
     * [List all supported unit systems](List all supported unit systems <https://developer.cognite.com/api#tag/Unit-Systems/operation/listUnitSystems)
     *
     * ```js
     * const units = await client.units.listUnitSystems();
     * ```
     */
    listUnitSystems: () => Promise<import('@cognite/sdk-core').ListResponse<import('../../types').UnitSystem[]>>;
}