method Ddc.prototype.onEventimport { Ddc } from "https://deno.land/x/ddc_vim@v0.0.13/ddc.ts"; onEvent(denops: Denops,context: Context,options: DdcOptions,): Promise<void>Parametersdenops: Denopscontext: Contextoptions: DdcOptionsReturnsPromise<void>