import HiveDriverError from '@databricks/sql/dist/errors/HiveDriverError';
import StatusError from '@databricks/sql/dist/errors/StatusError';
export declare const isDatabricksWarehouseStartingError: (error: unknown) => error is StatusError | HiveDriverError;
export declare const DATABRICKS_WAREHOUSE_STARTUP_RETRY: {
    readonly initialDelayMs: 2000;
    readonly maxDelayMs: 30000;
    readonly deadlineMs: 600000;
};
/** Delay before retry `attempt` (1-based), or null once the deadline would pass. */
export declare const getDatabricksWarehouseStartupRetryDelayMs: (attempt: number, elapsedMs: number) => number | null;
/** One retry budget, shared across every session opened for a single operation. */
export declare class DatabricksWarehouseStartupRetry {
    private attempt;
    private firstFailureAt;
    /** Waits with backoff if the error is a warehouse startup error and budget remains. */
    waitBeforeRetry(error: unknown): Promise<boolean>;
}
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