|  | /** | 
|  | * @license | 
|  | * Copyright 2020 Google LLC | 
|  | * SPDX-License-Identifier: Apache-2.0 | 
|  | */ | 
|  | import {CoverageRange} from './diff'; | 
|  | import {ChangeInfo} from './rest-api'; | 
|  |  | 
|  | /** | 
|  | * This is the callback object that Gerrit calls once for each diff. Gerrit | 
|  | * is then responsible for styling the diff according the returned array of | 
|  | * CoverageRanges. | 
|  | */ | 
|  | export type CoverageProvider = ( | 
|  | changeNum: number, | 
|  | path: string, | 
|  | basePatchNum?: number, | 
|  | patchNum?: number, | 
|  | change?: ChangeInfo | 
|  | ) => Promise<Array<CoverageRange> | undefined>; | 
|  |  | 
|  | export declare interface AnnotationPluginApi { | 
|  | /** | 
|  | * The specified function will be called when a gr-diff component is built, | 
|  | * and feeds the returned coverage data into the diff. Optional. | 
|  | * | 
|  | * Be sure to call this only once and only from one plugin. Multiple coverage | 
|  | * providers are not supported. A second call will just overwrite the | 
|  | * provider of the first call. | 
|  | */ | 
|  | setCoverageProvider(coverageProvider: CoverageProvider): void; | 
|  | } |