import type { BUN_MARIADB_FieldSchemaType, BUN_MARIADB_TableSchemaType, BunMariaDBConfig } from "../../types";
export type DesiredForeignKey = {
    name: string;
    column: string;
    refTable: string;
    refColumn: string;
    cascadeDelete: boolean;
    cascadeUpdate: boolean;
    field: BUN_MARIADB_FieldSchemaType;
};
export type LiveForeignKey = {
    name: string;
    column: string;
    refTable: string;
    refColumn: string;
    deleteRule: string;
    updateRule: string;
};
export declare function grabDesiredForeignKeys(table: BUN_MARIADB_TableSchemaType): DesiredForeignKey[];
export declare function grabLiveForeignKeys({ tableName, config, }: {
    tableName: string;
    config?: BunMariaDBConfig;
}): Promise<LiveForeignKey[]>;
export declare function dropForeignKey({ tableName, constraintName, config, }: {
    tableName: string;
    constraintName: string;
    config?: BunMariaDBConfig;
}): Promise<void>;
export declare function dropForeignKeysOnColumns({ tableName, columns, config, }: {
    tableName: string;
    columns: string[];
    config?: BunMariaDBConfig;
}): Promise<void>;
/**
 * Drop foreign keys that are removed from schema or need recreation
 * (name/cascade/target changed). Run before index cleanup.
 */
export declare function dropObsoleteForeignKeys({ table, config, }: {
    table: BUN_MARIADB_TableSchemaType;
    config?: BunMariaDBConfig;
}): Promise<void>;
/**
 * Ensure all desired foreign keys exist. Run after indexes/uniques.
 */
export declare function ensureForeignKeys({ table, config, }: {
    table: BUN_MARIADB_TableSchemaType;
    config?: BunMariaDBConfig;
}): Promise<void>;
export default function syncForeignKeys({ table, config, }: {
    table: BUN_MARIADB_TableSchemaType;
    config?: BunMariaDBConfig;
}): Promise<void>;