import { s } from "bknd/utils";
import type { ExpressionBuilder } from "kysely";
import type { Entity, EntityManager } from "../entities";
import type { RepoQuery } from "../server/query";
import { EntityRelation, type KyselyQueryBuilder } from "./EntityRelation";
import { EntityRelationAnchor } from "./EntityRelationAnchor";
import { RelationField } from "./RelationField";
import type { MutationInstructionResponse } from "./RelationMutator";
import { type RelationType } from "./relation-types";
/**
 * Source entity receives the mapping field
 *
 * Many-to-one (many) [sources] has (one) [target]
 * Example: [posts] has (one) [user]
 *    posts gets a users_id field
 */
export type ManyToOneRelationConfig = s.Static<typeof ManyToOneRelation.schema>;
export declare class ManyToOneRelation extends EntityRelation<typeof ManyToOneRelation.schema> {
    private fieldConfig?;
    static DEFAULTS: {
        with_limit: number;
    };
    static schema: s.ObjectSchema<{
        readonly mappedBy: {
            default?: any;
            maxLength?: number | undefined;
            minLength?: number | undefined;
            pattern?: (string | RegExp) | undefined;
            format?: string | undefined;
            enum?: (readonly any[] | any[]) | undefined;
            const?: any;
        } & s.Schema<s.ISchemaOptions, string | undefined, string | undefined>;
        readonly inversedBy: {
            default?: any;
            maxLength?: number | undefined;
            minLength?: number | undefined;
            pattern?: (string | RegExp) | undefined;
            format?: string | undefined;
            enum?: (readonly any[] | any[]) | undefined;
            const?: any;
        } & s.Schema<s.ISchemaOptions, string | undefined, string | undefined>;
        readonly required: {
            default?: any;
            enum?: (readonly any[] | any[]) | undefined;
            const?: any;
        } & s.Schema<s.ISchemaOptions, boolean | undefined, boolean | undefined>;
        readonly sourceCardinality: {
            default?: any;
            enum?: (readonly any[] | any[]) | undefined;
            const?: any;
            multipleOf?: number | undefined;
            maximum?: number | undefined;
            exclusiveMaximum?: number | undefined;
            minimum?: number | undefined;
            exclusiveMinimum?: number | undefined;
        } & s.Schema<s.ISchemaOptions, number | undefined, number | undefined>;
        readonly with_limit: {
            readonly default: number;
        } & s.Schema<s.ISchemaOptions, number | undefined, number | undefined>;
        readonly fieldConfig: {
            default?: any;
            enum?: (readonly any[] | any[]) | undefined;
            const?: any;
            $defs?: Record<string, s.Schema> | undefined;
            patternProperties?: Record<string, s.Schema> | undefined;
            additionalProperties?: (s.Schema | false) | undefined;
            minProperties?: number | undefined;
            maxProperties?: number | undefined;
            propertyNames?: s.Schema | undefined;
            properties: {
                readonly label: s.StringSchema<s.IStringOptions> & s.IStringOptions;
            };
            required: string[] | undefined;
            strict: () => s.ObjectSchema<{
                readonly label: s.StringSchema<s.IStringOptions> & s.IStringOptions;
            }, s.Merge<s.IObjectOptions & {
                additionalProperties: false;
            }>>;
            partial: () => s.ObjectSchema<{
                readonly label: s.Schema<s.ISchemaOptions, string | undefined, string | undefined>;
            }, s.IObjectOptions>;
        } & s.Schema<s.ISchemaOptions, {
            [x: string]: unknown;
            label: string;
        } | undefined, {
            [x: string]: unknown;
            label: string;
        } | undefined>;
    }, s.Merge<s.IObjectOptions & {
        additionalProperties: false;
    }>>;
    constructor(source: Entity, target: Entity, config?: Partial<s.Static<typeof ManyToOneRelation.schema>>);
    type(): RelationType;
    initialize(em: EntityManager<any>): void;
    /**
     * Retrieve the RelationField
     */
    getField(): RelationField;
    protected queryInfo(entity: Entity, reference: string): {
        other: EntityRelationAnchor;
        self: EntityRelationAnchor;
        relationRef: string;
        entityRef: string;
        otherRef: string;
        groupBy: string;
    };
    getReferenceQuery(entity: Entity, id: number, reference: string): Partial<RepoQuery>;
    buildJoin(entity: Entity, qb: KyselyQueryBuilder, reference: string): import("kysely").SelectQueryBuilder<any, any, any>;
    buildWith(entity: Entity, reference: string): (eb: ExpressionBuilder<any, any>) => import("kysely").SelectQueryBuilder<any, any, Partial<Omit<unknown, never>>>;
    /**
     * $set is performed using the reference:
     * { [reference]: { $set: { id: 1 } } }
     *
     * It must resolve from [reference] ("users") to field ("user_id")
     * -> returns instructions
     */
    $set(em: EntityManager<any>, key: string, value: object): Promise<void | MutationInstructionResponse>;
}