import { Runtype } from 'runtypes';
import { Config } from './config';
import { Column, SchemaInfo } from './schema-info';
/**
 * A SchemaProvider provides database information that can be used as the basis for type generation.
 */
export interface SchemaProvider<T extends Config = Config, S extends SchemaInfo = SchemaInfo> {
    name: string;
    configRt: Runtype<T>;
    getDbSchema(config: T): Promise<S>;
    mapToRuntype(config: T, schemaInfo: S, column: Column): string;
    /**
     * Return the canonical data type name of the column. This is particularly used to indicate the target
     * type for custom type mappings.
     *
     * @param config
     * @param column
     */
    getDataType(config: T, column: Column): string;
}