import { ICommit } from 'gitlog';
import { AsyncSeriesBailHook, AsyncSeriesWaterfallHook } from 'tapable';
export interface ICommitAuthor {
    /** Author's name */
    name?: string;
    /** Author's email */
    email?: string;
    /** Author's username */
    username?: string;
    /** The commit this author created */
    hash?: string;
}
export interface IPullRequest {
    /** The issue number for the pull request */
    number: number;
    /** The base branch the pull request is on */
    base?: string;
    /** The body of the PR (opening comment) */
    body?: string;
}
export declare type IExtendedCommit = ICommit & {
    /** The authors that contributed to the pull request */
    authors: ICommitAuthor[];
    /** The pull request information */
    pullRequest?: IPullRequest;
    /** Labels associated with the commit */
    labels: string[];
};
/** Parse the PR information for the merge commit message */
export declare function parsePR(commit: IExtendedCommit): IExtendedCommit;
/** Parse the PR information for the squashed commit message */
export declare function parseSquashPR(commit: IExtendedCommit): IExtendedCommit;
export interface ILogParseHooks {
    /** Parse information about a commit from a commit. Here is where `auto` gets the PR number from the merge commits. */
    parseCommit: AsyncSeriesWaterfallHook<[IExtendedCommit]>;
    /** Choose to omit certain commits. If you return true the commit will be omitted. Be sure to return nothing if you don't want the commit omitted. */
    omitCommit: AsyncSeriesBailHook<[IExtendedCommit], boolean | void>;
}
/**
 * Parse the gitlog for commits that are PRs and attach their labels.
 * This class can also be tapped into via plugin to parse commits
 * in other ways (ex: conventional-commits)
 */
export default class LogParse {
    /** Plugin entry points */
    hooks: ILogParseHooks;
    /** Initialize the log parser and tap the default functionality  */
    constructor();
    /** Run the log parser over a set of commits */
    normalizeCommits(commits: ICommit[]): Promise<IExtendedCommit[]>;
    /** Process a commit to find it's labels and PR information */
    normalizeCommit(commit: ICommit): Promise<IExtendedCommit | undefined>;
}
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