function getFilterimport { getFilter } from "https://deno.land/x/ddu_vim@v5.0.0/ext.ts"; getFilter(denops: Denops,loader: Loader,options: DduOptions,userFilter: UserFilter,): Promise<[BaseFilter<BaseFilterParams> | undefined, FilterOptions, BaseFilterParams]>Parametersdenops: Denopsloader: Loaderoptions: DduOptionsuserFilter: UserFilterReturnsPromise<[BaseFilter<BaseFilterParams> | undefined, FilterOptions, BaseFilterParams]>