/**
 * Shared validation for relationship-qualified filters, used by both the
 * dataset-query and metric-query validators.
 */
import type { AnyDatasetInstance, DatasetQuery, ExecutionContext, MetricFilter, MetricQuery } from '../types.js';
type RelationshipQuery = Pick<DatasetQuery & MetricQuery, 'dimensions' | 'filters' | 'orderBy'>;
/**
 * Tenant-less base datasets may still reach tenant-scoped data through a
 * relationship. Require either a concrete runtime tenant or the trusted
 * cross-tenant scope whenever a query activates such a join.
 */
export declare function validateRelationshipTenantRuntime(ds: AnyDatasetInstance, query: RelationshipQuery, context?: ExecutionContext): string | undefined;
/**
 * Validates a relationship-qualified filter (`relationship.field`). Returns an
 * error message string, or null when the filter is valid.
 *
 * Enforces the same tenant rule the base dataset uses: when runtime tenancy is
 * active and the joined target declares a `tenantKey`, an explicit filter on
 * that column is rejected (the planner injects the tenant predicate instead).
 */
export declare function validateQualifiedFilter(ds: AnyDatasetInstance, filter: MetricFilter, context?: ExecutionContext): string | null;
export {};
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