Interface DataSource<C>

interface DataSource<C extends Collection = Collection> {
    get collections(): C[];
    get nativeQueryConnections(): Record<string, unknown>;
    get schema(): DataSourceSchema;
    executeNativeQuery(
        connectionName: string,
        query: string,
        contextVariables: Record<string, unknown>,
    ): Promise<unknown>;
    getCollection(name: string): C;
    renderChart(caller: Caller, name: string): Promise<unknown>;
}