import { IRelationDescriptor, IModelDescriptor, ForwardRefFunction, ISelectQueryBuilder } from './interfaces.js';
import { Constructor, Container } from '@spinajs/di';
import { ModelBase } from './model.js';
import type { Orm } from './orm.js';
import { OrmDriver } from './driver.js';
export interface IOrmRelation {
    /**
     * Executes relation, should be called only once.
     *
     * @param callback - optional callback to perform actions on relations eg. populate more, filter relational data etc.
     */
    execute(callback?: (this: ISelectQueryBuilder, relation: NativeOrmRelation) => void): void;
    compile(): void;
    /**
     * Execute actions on relation query, does not initialize relation. Use it only AFTER execute was called.
     *
     * @param callback - execute callback to perform actions on relations eg. populate more, filter relational data etc.
     */
    executeOnQuery(callback: (this: ISelectQueryBuilder, relation: NativeOrmRelation) => void): void;
    /**
     * Relation name
     */
    Name: string;
    Descriptor: IRelationDescriptor;
}
export declare abstract class OrmRelation implements IOrmRelation {
    protected _container: Container;
    protected _query: ISelectQueryBuilder;
    protected _description: IRelationDescriptor;
    parentRelation?: NativeOrmRelation | undefined;
    /**
     * Guards `compile()` against running twice. Relation compilation mutates the owning
     * builder — it adds joins, merges columns and registers result middlewares — and
     * `toDB()` calls it, so without this guard compiling the same query twice produced a
     * different builder each time ( B19 ).
     */
    protected _compiled: boolean;
    get Name(): string;
    get Descriptor(): IRelationDescriptor;
    get Alias(): string;
    constructor(_container: Container, _query: ISelectQueryBuilder, _description: IRelationDescriptor, parentRelation?: NativeOrmRelation | undefined);
    abstract compile(): void;
    abstract execute(callback?: (this: ISelectQueryBuilder, relation: NativeOrmRelation) => void): void;
    abstract executeOnQuery(callback: (this: ISelectQueryBuilder<any>, relation: NativeOrmRelation) => void): void;
}
export declare abstract class NativeOrmRelation extends OrmRelation {
    protected _container: Container;
    protected _query: ISelectQueryBuilder;
    protected _description: IRelationDescriptor;
    parentRelation?: NativeOrmRelation | undefined;
    protected _targetModel: Constructor<ModelBase> | ForwardRefFunction;
    protected _targetModelDescriptor: IModelDescriptor;
    protected _relationQuery: ISelectQueryBuilder;
    protected _separator: string;
    protected _driver: OrmDriver;
    get Name(): string;
    get Descriptor(): IRelationDescriptor;
    get Alias(): string;
    constructor(_container: Container, _query: ISelectQueryBuilder, _description: IRelationDescriptor, parentRelation?: NativeOrmRelation | undefined);
    abstract compile(): void;
    execute(callback?: (this: ISelectQueryBuilder, relation: NativeOrmRelation) => void): void;
    executeOnQuery(callback: (this: ISelectQueryBuilder<any>, relation: NativeOrmRelation) => void): void;
}
export declare class BelongsToRelation extends NativeOrmRelation {
    constructor(_container: Container, _query: ISelectQueryBuilder<any>, _description: IRelationDescriptor, _parentRelation?: NativeOrmRelation);
    compile(): void;
}
export declare class BelongsToRecursiveRelation extends NativeOrmRelation {
    constructor(_container: Container, _query: ISelectQueryBuilder<any>, _description: IRelationDescriptor, _parentRelation?: NativeOrmRelation);
    compile(): void;
}
export declare class QueryRelation extends OrmRelation {
    execute(callback?: (this: ISelectQueryBuilder, relation: NativeOrmRelation) => void): void;
    executeOnQuery(callback: (this: ISelectQueryBuilder<any>, relation: NativeOrmRelation) => void): void;
    compile(): void;
}
export declare class VirtualRelation extends OrmRelation {
    protected _relationCallback: ((this: ISelectQueryBuilder, relation: NativeOrmRelation) => void) | undefined;
    execute(callback?: (this: ISelectQueryBuilder, relation: NativeOrmRelation) => void): void;
    executeOnQuery(_callback: (this: ISelectQueryBuilder<any>, relation: NativeOrmRelation) => void): void;
    compile(): void;
}
export declare class OneToManyRelation extends NativeOrmRelation {
    constructor(_container: Container, _query: ISelectQueryBuilder<any>, _description: IRelationDescriptor, _parentRelation?: NativeOrmRelation);
    compile(): void;
}
export declare class ManyToManyRelation extends NativeOrmRelation {
    protected _orm: Orm;
    protected _joinModel: Constructor<ModelBase>;
    protected _joinModelDescriptor: IModelDescriptor;
    protected _joinQuery: ISelectQueryBuilder;
    get TableJoinQuery(): ISelectQueryBuilder<unknown>;
    get RelationQuery(): ISelectQueryBuilder<unknown>;
    constructor(_container: Container, _orm: Orm, _query: ISelectQueryBuilder<any>, _description: IRelationDescriptor, _parentRelation?: NativeOrmRelation);
    compile(): void;
}
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