import type { KNEX_TYPES } from '@db-studio/constants';
import type { Field, Relation, Type } from '@db-studio/types';
import type { Options } from '../types.js';
import { SchemaHelper } from '../types.js';
export declare class SchemaHelperOracle extends SchemaHelper {
    changeToType(table: string, column: string, type: (typeof KNEX_TYPES)[number], options?: Options): Promise<void>;
    castA2oPrimaryKey(): string;
    preRelationChange(relation: Partial<Relation>): void;
    processFieldType(field: Field): Type;
}