export const FindCache: Map
export function exec(command: String, args: Array<string> = [], options: Object): Promise
export function execNode(filePath: String, args: Array<string> = [], options: Object): Promise
export function parse(data: String, regex: String, options: Object = {flags: 'g'}): Array<Linter$Message>
export function generateRange(textEditor: TextEditor, lineNumber: Number = 0, colStart: Number = <firstTextColumn>): Array
export function find(directory: String, names: String | Array<string>): ?String
export function findCached(directory: String, names: String | Array<string>): ?String
export function findAsync(directory: String, names: String | Array<string>): Promise<?String>
export function findCachedAsync(directory: String, names: String | Array<string>): Promise<?String>
export function tempFile<T>(fileName: String, fileContents: String, callback: Function<T>): Promise<T>
export function tempFiles<T>(filesNames: Array<{ name: String, contents: String }>, callback: Function<T>): Promise<T>

import atomLinter from 'atom-linter'

const myLinterScope = 'file' // or "project"
const myLinter = {
  // ...
  scope: myLinterScope,
  async lint(textEditor) {
    const textEditorPath = textEditor.getPath()
    const output = atomLinter.exec('myprogram', ['parameter1', 'parameter2'], {
      uniqueKey: myLinterScope === 'file' ? `my-linter:${textEditorPath}` : 'my-linter'
    })
    // NOTE: Providers should also return null if they get null from exec
    // Returning null from provider will tell base linter to keep existing messages
    if (output === null) {
      return null
    }
    // ... parse output and return messages
    return []
  }
}