import { Event , Uri } from 'vscode' ; export type EnvironmentVariables = Object & Record < string , string | undefined > ; export const IEnvironmentVariablesService = Symbol ( 'IEnvironmentVariablesService' ) ; export interface IEnvironmentVariablesService { parseFile ( filePath ? , baseVars ? ) : Promise < EnvironmentVariables | undefined > ; mergeVariables ( source , target ) : void ; appendPythonPath ( vars , ... pythonPaths ) : void ; appendPath ( vars , ... paths ) : void ; } /**
 * An interface for a JavaScript object that
 * acts as a dictionary. The keys are strings.
 */ export interface IStringDictionary < V > { [ name ] : V ; } export interface ISystemVariables { resolve ( value ) : string ; resolve ( value ) : string [ ] ; resolve ( value ) : IStringDictionary < string > ; resolve ( value ) : IStringDictionary < string [ ] > ; resolve ( value ) : IStringDictionary < IStringDictionary < string > > ; resolveAny < T > ( value ) : T ; [ key ] : any ; } export const IEnvironmentVariablesProvider = Symbol ( 'IEnvironmentVariablesProvider' ) ; export interface IEnvironmentVariablesProvider { onDidEnvironmentVariablesChange : Event < Uri | undefined > ; getEnvironmentVariables ( envFilePath , resource ? ) : Promise < EnvironmentVariables > ; }