import { PropertyAccessor } from '@cratis/fundamentals';
import { ChildrenDefinitionLike, ProjectionBuilderCore } from './ProjectionBuilderCore.js';
import { IChildrenBuilder } from './IChildrenBuilder.js';
import { INestedBuilder } from './INestedBuilder.js';
/**
 * Concrete implementation of {@link IChildrenBuilder}, building the `ChildrenDefinition` for a
 * children collection sub-projection reached through `.children()`.
 * @template TParentReadModel - The parent read model type.
 * @template TChildReadModel - The child read model type.
 */
export declare class ChildrenBuilder<TParentReadModel, TChildReadModel> extends ProjectionBuilderCore<TChildReadModel, IChildrenBuilder<TParentReadModel, TChildReadModel>> implements IChildrenBuilder<TParentReadModel, TChildReadModel> {
    private _identifiedBy;
    private _fromEventPropertyPath;
    /** @inheritdoc */
    identifiedBy(propertyAccessor: PropertyAccessor<TChildReadModel>): IChildrenBuilder<TParentReadModel, TChildReadModel>;
    /** @inheritdoc */
    fromEventProperty<TEvent>(propertyAccessor: PropertyAccessor<TEvent>): IChildrenBuilder<TParentReadModel, TChildReadModel>;
    /** @inheritdoc */
    children<TGrandchildModel>(targetPropertyAccessor: PropertyAccessor<TChildReadModel>, builderCallback: (builder: IChildrenBuilder<TChildReadModel, TGrandchildModel>) => void): IChildrenBuilder<TParentReadModel, TChildReadModel>;
    /** @inheritdoc */
    nested<TNestedModel>(targetPropertyAccessor: PropertyAccessor<TChildReadModel>, builderCallback: (builder: INestedBuilder<TChildReadModel, TNestedModel>) => void): IChildrenBuilder<TParentReadModel, TChildReadModel>;
    /** @inheritdoc */
    protected defaultJoinOn(): string | undefined;
    /**
     * Builds the {@link ChildrenDefinitionLike} representing this children collection.
     * @returns The accumulated children definition.
     */
    buildDefinition(): ChildrenDefinitionLike;
}
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