/**
 * Database Schema Analysis
 * Comprehensive ORM support:
 * - JavaScript/TypeScript: Prisma, Drizzle, TypeORM, Sequelize, MikroORM, Knex, Objection, Bookshelf
 * - Python: SQLAlchemy, Django ORM, SQLModel, Tortoise ORM, Peewee, SQLObject, Pony ORM, Databases
 * - Ruby: ActiveRecord, Sequel
 * - Java: Hibernate, JPA, MyBatis, jOOQ, Ebean
 * - PHP: Doctrine, Eloquent, Propel, RedBeanPHP
 * - C#: Entity Framework, Dapper, NHibernate
 * - Go: GORM, Ent, SQLBoiler, Beego ORM
 * - Rust: Diesel, Sea-ORM, SQLx
 * - Plus raw SQL migrations
 */
export interface DBColumn {
    name: string;
    type: string;
    nullable?: boolean;
    primary?: boolean;
    unique?: boolean;
    default?: string;
    /** FK target */
    references?: string;
}
export interface DBTable {
    name: string;
    columns: DBColumn[];
    indexes?: string[];
    /** File where defined */
    source: string;
    orm?: string;
}
export interface DBSchemaResult {
    tables: DBTable[];
    relationships: {
        from: string;
        to: string;
        type: 'one-to-one' | 'one-to-many' | 'many-to-many';
        through?: string;
    }[];
    migrations: {
        file: string;
        timestamp?: string;
        description?: string;
    }[];
    summary: {
        totalTables: number;
        totalColumns: number;
        totalRelationships: number;
        orms: string[];
    };
    scannedPatterns: string[];
}
/**
 * Analyze database schema from SQL, ORM, and migration files.
 * @param cwd - The working directory to scan.
 * @param options - Configuration options.
 * @param options.directory - The directory to analyze.
 * @returns The database schema analysis result.
 */
export declare function analyzeDBSchema(cwd: string, options?: {
    directory?: string;
}): Promise<DBSchemaResult>;
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