import { type DatabaseClient } from "../../../core/databaseClient.js";
import { groupParentsChildrenRelations } from "../../../core/dialect/groupParentsChildrenRelations.js";
import { fetchDatabaseRelationships } from "./queries/fetchDatabaseRelationships.js";
import { fetchEnums } from "./queries/fetchEnums.js";
import { fetchPrimaryKeys } from "./queries/fetchPrimaryKeys.js";
import { fetchSequences } from "./queries/fetchSequences.js";
import { fetchTablesAndColumns } from "./queries/fetchTablesAndColumns.js";
import { fetchUniqueConstraints } from "./queries/fetchUniqueConstraints.js";
import { type AsyncFunctionSuccessType } from "./types.js";
type PrimaryKeys = AsyncFunctionSuccessType<typeof fetchPrimaryKeys>;
type UniqueConstraints = Array<AsyncFunctionSuccessType<typeof fetchUniqueConstraints>[number]>;
type Tables = AsyncFunctionSuccessType<typeof fetchTablesAndColumns>;
type Enums = Array<AsyncFunctionSuccessType<typeof fetchEnums>[number]>;
type Sequences = AsyncFunctionSuccessType<typeof fetchSequences>;
type Relationships = AsyncFunctionSuccessType<typeof fetchDatabaseRelationships>;
export type Relationship = Relationships[number];
type GroupedRelationships = ReturnType<typeof groupParentsChildrenRelations>;
type GroupedRelationshipsValue = NonNullable<ReturnType<GroupedRelationships["get"]>>;
export type IntrospectedTableColumn = {
    identity: {
        current: number;
        name: string;
    } | null;
} & Tables[number]["columns"][number];
interface IntrospectedStructureBase {
    enums: Enums;
    tables: Tables;
}
export interface IntrospectedStructure extends IntrospectedStructureBase {
    sequences?: Record<string, Sequences>;
    tables: Array<{
        columns: Array<IntrospectedTableColumn>;
        primaryKeys: PrimaryKeys[number] | null;
        uniqueConstraints?: UniqueConstraints;
    } & GroupedRelationshipsValue & IntrospectedStructureBase["tables"][number]>;
}
export declare function introspectDatabase(client: DatabaseClient): Promise<IntrospectedStructure>;
export {};