import type { AggregateResult, Aggregation, Caller, CollectionSchema, ColumnSchemaValidation, Filter, RecordData } from '@forestadmin/datasource-toolkit';
import { CollectionDecorator } from '@forestadmin/datasource-toolkit';
type ValidationRule = ColumnSchemaValidation[number];
export default class ValidationDecorator extends CollectionDecorator {
    private validation;
    private nullableFields;
    addValidation(name: string, validation: ValidationRule): void;
    setNullable(name: string): void;
    create(caller: Caller, data: RecordData[]): Promise<RecordData[]>;
    update(caller: Caller, filter: Filter, patch: RecordData): Promise<void>;
    aggregate(caller: Caller, filter: Filter, aggregation: Aggregation, limit?: number): Promise<AggregateResult[]>;
    protected refineSchema(subSchema: CollectionSchema): CollectionSchema;
    private validateAggregation;
    private validate;
}
export {};
//# sourceMappingURL=collection.d.ts.map