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import {  Context,  DdcEvent,  DdcGatherItems,  DdcOptions,  Item,  OnCallback,  SourceOptions,} from "../types.ts";import { Denops } from "../deps.ts";
export type OnInitArguments<Params extends Record<string, unknown>> = {  denops: Denops;  sourceOptions: SourceOptions;  sourceParams: Params;};
export type OnEventArguments<Params extends Record<string, unknown>> = {  denops: Denops;  context: Context;  onCallback: OnCallback;  options: DdcOptions;  sourceOptions: SourceOptions;  sourceParams: Params;};
export type OnCompleteDoneArguments<  Params extends Record<string, unknown>,  UserData extends unknown = unknown,> = {  denops: Denops;  context: Context;  onCallback: OnCallback;  options: DdcOptions;  sourceOptions: SourceOptions;  sourceParams: Params;  // To prevent users from accessing internal variables.  userData: UserData;};
export type GetCompletePositionArguments<  Params extends Record<string, unknown>,> = {  denops: Denops;  context: Context;  onCallback: OnCallback;  options: DdcOptions;  sourceOptions: SourceOptions;  sourceParams: Params;};
export type GatherArguments<Params extends Record<string, unknown>> = {  denops: Denops;  context: Context;  onCallback: OnCallback;  options: DdcOptions;  sourceOptions: SourceOptions;  sourceParams: Params;  completeStr: string;  isIncomplete?: boolean;};
export abstract class BaseSource<  Params extends Record<string, unknown>,  UserData extends unknown = unknown,> {  name = "";  isInitialized = false;  apiVersion = 4;
  events: DdcEvent[] = [];  isBytePos = false;
  async onInit(_args: OnInitArguments<Params>): Promise<void> {}
  async onEvent(_args: OnEventArguments<Params>): Promise<void> {}
  async onCompleteDone(    _args: OnCompleteDoneArguments<Params, UserData>,  ): Promise<void> {}
  getCompletePosition(    args: GetCompletePositionArguments<Params>,  ): Promise<number> {    const matchPos = args.context.input.search(      new RegExp("(?:" + args.options.keywordPattern + ")$"),    );    const completePos = matchPos != null ? matchPos : -1;    return Promise.resolve(completePos);  }
  // Note: Deprecated!  gatherCandidates(    {}: GatherArguments<Params>,  ): Promise<Item<UserData>[]> {    return Promise.resolve([]);  }
  abstract gather(    {}: GatherArguments<Params>,  ): Promise<DdcGatherItems<UserData>>;
  abstract params(): Params;}
export function defaultSourceOptions(): SourceOptions {  return {    converters: [],    dup: false,    forceCompletionPattern: "",    ignoreCase: false,    isVolatile: false,    mark: "",    matcherKey: "",    matchers: [],    maxAutoCompleteLength: 80,    maxItems: 500,    maxKeywordLength: 0,    minAutoCompleteLength: 2,    minKeywordLength: 0,    sorters: [],    timeout: 2000,  };}
export function defaultSourceParams(): Record<string, unknown> {  return {};}