import Options from './options';
export interface ForeignKey {
    table: string;
    column: string;
}
export interface ColumnDefinition {
    udtName: string;
    nullable: boolean;
    tsType?: string;
    hasDefault: boolean;
    comment?: string;
    foreignKey?: ForeignKey;
}
export interface TableDefinition {
    columns: {
        [columnName: string]: ColumnDefinition;
    };
    primaryKey: string | null;
    comment?: string;
}
export interface Database {
    connectionString: string;
    query(queryString: string): Promise<unknown[]>;
    getDefaultSchema(): string;
    getEnumTypes(schema?: string): Promise<Record<string, string[]>>;
    getTableDefinition(tableName: string, tableSchema: string, tableToKeys: {
        [tableName: string]: string;
    }): Promise<TableDefinition>;
    getTableTypes(tableName: string, tableSchema: string, tableToKeys: {
        [tableName: string]: string;
    }, options: Options): Promise<TableDefinition>;
    getSchemaTables(schemaName: string): Promise<string[]>;
    getPrimaryKeys(schemaName: string): Promise<{
        [tableName: string]: string;
    }>;
}