import * as embedoc from 'embedoc';

declare const sqlSchema: embedoc.CustomDatasourceDefinition;

declare const litedbmodelColumns: embedoc.EmbedDefinition;

type DatabaseDialect = 'PostgreSQL' | 'MySQL' | 'SQLite';
interface TableDef {
    name: string;
    columns: ColumnDef[];
}
interface ColumnDef {
    name: string;
    sqlType: string;
    isPrimaryKey: boolean;
    isNullable: boolean;
    isArray: boolean;
}
interface ColumnMapping {
    decorator: string;
    tsType: string;
}

interface ParseSchemaOptions {
    database?: DatabaseDialect;
}
declare function parseSchema(sql: string, options?: ParseSchemaOptions): TableDef[];

declare function generateColumnCode(table: TableDef): string;

declare function mapColumnType(col: ColumnDef): ColumnMapping;

export { type ColumnDef, type ColumnMapping, type DatabaseDialect, type TableDef, generateColumnCode, litedbmodelColumns, mapColumnType, parseSchema, sqlSchema };