import { Knex } from 'knex';
import { UserFieldDefinition } from './user-extension.js';
/**
 * Options for a migration operation
 */
export interface MigrationOptions {
    tableName?: string;
    transaction?: boolean;
}
/**
 * Options for adding columns to the user table
 */
export interface AddColumnsOptions extends MigrationOptions {
    fields: UserFieldDefinition[];
}
/**
 * Options for renaming a column in the user table
 */
export interface RenameColumnOptions extends MigrationOptions {
    oldName: string;
    newName: string;
}
/**
 * Options for modifying a column in the user table
 */
export interface ModifyColumnOptions extends MigrationOptions {
    field: UserFieldDefinition;
    oldName?: string;
}
/**
 * Options for dropping columns from the user table
 */
export interface DropColumnsOptions extends MigrationOptions {
    columnNames: string[];
}
/**
 * Options for data migration
 */
export interface DataMigrationOptions extends MigrationOptions {
    transform: (row: Record<string, any>) => Record<string, any>;
    batchSize?: number;
}
/**
 * Adds columns to the user table
 * @param knex Knex instance
 * @param options Options for adding columns
 * @returns Promise that resolves when the operation is complete
 */
export declare function addColumns(knex: Knex, options: AddColumnsOptions): Promise<void>;
/**
 * Renames a column in the user table
 * @param knex Knex instance
 * @param options Options for renaming a column
 * @returns Promise that resolves when the operation is complete
 */
export declare function renameColumn(knex: Knex, options: RenameColumnOptions): Promise<void>;
/**
 * Modifies a column in the user table
 * @param knex Knex instance
 * @param options Options for modifying a column
 * @returns Promise that resolves when the operation is complete
 */
export declare function modifyColumn(knex: Knex, options: ModifyColumnOptions): Promise<void>;
/**
 * Drops columns from the user table
 * @param knex Knex instance
 * @param options Options for dropping columns
 * @returns Promise that resolves when the operation is complete
 */
export declare function dropColumns(knex: Knex, options: DropColumnsOptions): Promise<void>;
/**
 * Performs a data migration on the user table
 * @param knex Knex instance
 * @param options Options for data migration
 * @returns Promise that resolves when the operation is complete
 */
export declare function migrateData(knex: Knex, options: DataMigrationOptions): Promise<void>;
//# sourceMappingURL=migrations.d.ts.map