import * as core from '@prismamedia/graphql-platform';
import * as utils from '@prismamedia/graphql-platform-utils';
import type { MariaDBConnector } from '../../../index.js';
import type { Schema, Table } from '../../../schema.js';
import { AbstractColumn } from '../abstract-column.js';
import type { DataType } from '../data-type.js';
import type { LeafColumn } from './leaf.js';
export * from './reference/diagnosis.js';
export declare class ReferenceColumn extends AbstractColumn {
    readonly edge: core.Edge<MariaDBConnector>;
    readonly referencedColumn: LeafColumn | ReferenceColumn;
    readonly name: string;
    readonly comment?: string;
    readonly dataType: DataType;
    constructor(table: Table, edge: core.Edge<MariaDBConnector>, referencedColumn: LeafColumn | ReferenceColumn, nameConfig: utils.Nillable<string>, nameConfigPath: utils.Path);
    isNullable(): boolean;
    /**
     * category: {
     *   parent: {
     *     parent: null
     *     slug: "root"
     *   },
     *   slug: "news"
     * }
     *
     * ->
     *
     * category_parent_parent: null
     * category_parent_slug: "root"
     * category_slug: "news"
     */
    pickLeafValueFromReferenceValue(referenceValue: core.ReferenceValue): core.LeafValue;
}
export interface ReferenceColumnTreeConfig {
    [componentName: string]: utils.Optional<string | ReferenceColumnTreeConfig>;
}
/**
 * The columns are grouped by their referenced component
 */
export declare class ReferenceColumnTree {
    #private;
    readonly currentEdge: core.Edge<MariaDBConnector>;
    constructor(schema: Schema, root: core.Edge<MariaDBConnector>, path?: ReadonlyArray<core.Edge<MariaDBConnector>>);
    at(path: ReadonlyArray<core.Edge<MariaDBConnector>>): ReferenceColumnTree;
    getColumnByLeaf(leaf: core.Leaf): ReferenceColumn;
    getColumnTreeByEdge(edge: core.Edge): ReferenceColumnTree;
    get columns(): ReadonlyArray<ReferenceColumn>;
    pickReferenceValueFromRow(row: utils.PlainObject): core.ReferenceValue;
}
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