import { BaseClient } from '../base-client';
import type { RunTagDB } from '../../types/experiment.types';
export declare class ExperimentTagsService extends BaseClient {
    private projectId;
    constructor(apiUrl: string, token: string, projectId: string);
    /**
     * Gets all tags for a specific experiment.
     * @param experimentId - The unique identifier of the experiment.
     * @returns A promise that resolves to an array of experiment tags.
     */
    getExperimentTags(experimentId: string): Promise<RunTagDB[]>;
    /**
     * Upserts (creates or updates) a tag for a specific experiment.
     * If a tag with the same key already exists, it will be updated.
     * Otherwise, a new tag will be created.
     * @param experimentId - The unique identifier of the experiment.
     * @param key - The tag key.
     * @param value - The tag value.
     * @param tagType - (Optional) The type of tag (default: 'generic').
     * @returns A promise that resolves to the created or updated tag.
     */
    upsertExperimentTag(experimentId: string, key: string, value: string, tagType?: string): Promise<RunTagDB>;
    /**
     * Deletes a tag for a specific experiment.
     * @param experimentId - The unique identifier of the experiment.
     * @param tagId - The unique identifier of the tag to delete.
     * @returns A promise that resolves when the tag is deleted.
     */
    deleteExperimentTag(experimentId: string, tagId: string): Promise<void>;
}