import { type WarehouseTargetIdentityV1 } from '@duckcodeailabs/dql-core';
import type { ConnectionConfig, QueryExecutor } from '@duckcodeailabs/dql-connectors';
export declare class WarehouseTargetIdentityObservationError extends Error {
    readonly code = "WAREHOUSE_TARGET_IDENTITY_UNAVAILABLE";
    readonly details: {
        driver: string;
    };
    constructor(driver: string, cause?: unknown);
}
/**
 * Acquire the redacted warehouse identity on the same connector lease used by
 * semantic validation/execution. Snowflake CURRENT_* values are authoritative;
 * configured values remain the bounded fallback for other adapters.
 */
export declare function observeWarehouseTargetIdentity(executor: QueryExecutor, connection: ConnectionConfig): Promise<WarehouseTargetIdentityV1>;
export declare function configuredWarehouseTargetIdentity(connection: ConnectionConfig): WarehouseTargetIdentityV1;
export declare function connectionReference(connection: ConnectionConfig): string;
//# sourceMappingURL=connection-identity.d.ts.map