method ContextBuilder.prototype.createContextimport { ContextBuilder } from "https://deno.land/x/ddc_vim@v0.0.13/context.ts"; createContext(denops: Denops, event: string): Promise<null | [Context, DdcOptions]>Parametersdenops: Denopsevent: stringReturnsPromise<null | [Context, DdcOptions]>