import { DataSource, EntitySubscriberInterface, UpdateEvent } from 'typeorm';
import { FieldMetadata } from '../entities/field-metadata.entity';
export declare class FieldMetadataSubscriber implements EntitySubscriberInterface<FieldMetadata> {
    private readonly dataSource;
    private readonly logger;
    constructor(dataSource: DataSource);
    listenTo(): typeof FieldMetadata;
    afterUpdate(event: UpdateEvent<FieldMetadata>): Promise<void>;
}
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