import { TraceInfo } from '../core/entities/trace_info';
import { Trace } from '../core/entities/trace';
import { TraceData } from '../core/entities/trace_data';
import { AuthProvider } from '../auth';
/**
 * Client for MLflow tracing operations.
 *
 * Supports multiple authentication methods:
 * - Databricks: PAT tokens, OAuth M2M, Azure CLI/MSI, Google Cloud
 * - OSS MLflow: Basic auth, Bearer tokens, or no auth
 */
export declare class MlflowClient {
    /** Client implementation to upload/download trace data artifacts */
    private artifactsClient;
    /** Headers provider for authenticated requests */
    private headersProvider;
    /** Host URL for API requests */
    private hostUrl;
    /**
     * Creates a new MlflowClient.
     *
     * @param trackingUri - The tracking URI (e.g., "databricks", "http://localhost:5000")
     * @param authProvider - The authentication provider to get tokens for authenticated requests
     */
    constructor(options: {
        trackingUri: string;
        authProvider: AuthProvider;
    });
    /**
     * Get the host URL for this client.
     */
    getHost(): string;
    /**
     * Create a new TraceInfo record in the backend store.
     * Corresponding to the Python SDK's start_trace_v3() method.
     *
     * Note: the backend API is named as "Start" due to unfortunate miscommunication.
     * The API is indeed called at the "end" of a trace, not the "start".
     */
    createTrace(traceInfo: TraceInfo): Promise<TraceInfo>;
    /**
     * Get a single trace by ID
     * Fetches both trace info and trace data from backend
     * Corresponds to Python: client.get_trace()
     */
    getTrace(traceId: string): Promise<Trace>;
    /**
     * Get trace info using V3 API
     * Endpoint: GET /api/3.0/mlflow/traces/{trace_id}
     */
    getTraceInfo(traceId: string): Promise<TraceInfo>;
    /**
     * Upload trace data to the artifact store.
     */
    uploadTraceData(traceInfo: TraceInfo, traceData: TraceData): Promise<void>;
    /**
     * Create a new experiment
     */
    createExperiment(name: string, artifactLocation?: string, tags?: Record<string, string>): Promise<string>;
    /**
     * Delete an experiment
     */
    deleteExperiment(experimentId: string): Promise<void>;
}