import type { GitHub } from "./github";
import { Component } from "../component";
/**
 * The Mergify conditional operators that can be used are: `or` and `and`.
 * Note: The number of nested conditions is limited to 3.
 * @see https://docs.mergify.io/conditions/#combining-conditions-with-operators
 */
export interface MergifyConditionalOperator {
    readonly or?: MergifyCondition[];
    readonly and?: MergifyCondition[];
}
export type MergifyCondition = string | MergifyConditionalOperator;
/**
 * Declarative configuration for Mergify `commit_message_format`.
 * @see https://docs.mergify.com/workflow/actions/merge/#customizing-the-commit-message
 */
export interface MergifyCommitMessageFormat {
    /**
     * Commit title format.
     *
     * - `inherit`: use the GitHub repository default merge commit title format
     * - `pr-title`: use the pull request title (with the PR number appended)
     */
    readonly title?: "inherit" | "pr-title";
    /**
     * Commit body format.
     *
     * - `inherit`: use the GitHub repository default merge commit body format
     * - `pr-body`: use the pull request body
     * - `empty`: set the commit body to be empty
     */
    readonly body?: "inherit" | "pr-body" | "empty";
    /**
     * Optional list of trailers to append to the commit message.
     */
    readonly trailers?: Array<"co-authored-by" | "approved-by" | "merged-by">;
}
export interface MergifyRule {
    /**
     * The name of the rule. This is not used by the engine directly,
     * but is used when reporting information about a rule.
     */
    readonly name: string;
    /**
     * A list of Conditions string that must match against the
     * pull request for the rule to be applied.
     * @see https://docs.mergify.io/conditions/#conditions
     */
    readonly conditions: MergifyCondition[];
    /**
     * A dictionary made of Actions that will be executed on the
     * matching pull requests.
     * @see https://docs.mergify.io/actions/#actions
     */
    readonly actions: {
        [action: string]: any;
    };
}
export interface MergifyQueue {
    /**
     * The name of the queue.
     */
    readonly name: string;
    /**
     * Merge method to use.
     *
     * Possible values are `merge`, `squash`, `rebase` or `fast-forward`.
     * `fast-forward` is not supported on queues with `speculative_checks` > 1, `batch_size` > 1, or with `allow_inplace_checks` set to false.
     *
     * @default "merge"
     */
    readonly mergeMethod?: string;
    /**
     * Method to use to update the pull request with its base branch when the speculative check is done in-place.
     *
     * Possible values:
     *  - `merge` to merge the base branch into the pull request.
     *  - `rebase` to rebase the pull request against its base branch.
     *
     * Note that the `rebase` method has some drawbacks, see Mergify docs for details.
     *
     * @see https://docs.mergify.com/actions/queue/#queue-rules
     *
     * @default - `merge` for all merge methods except `fast-forward` where `rebase` is used
     */
    readonly updateMethod?: string;
    /**
     * The list of conditions that needs to match to queue the pull request.
     * @see https://docs.mergify.com/conditions/#conditions
     */
    readonly queueConditions?: MergifyCondition[];
    /**
     * The list of conditions to match to get the queued pull request merged.
     * This automatically includes the queueConditions.
     * In case of speculative merge pull request, the merge conditions are evaluated against the temporary pull request instead of the original one.
     * @see https://docs.mergify.com/conditions/#conditions
     */
    readonly mergeConditions?: MergifyCondition[];
    /**
     * When merging with the merge or squash method, configure the title, body, and trailers of the resulting commit.
     * @see https://docs.mergify.com/workflow/actions/merge/#customizing-the-commit-message
     */
    readonly commitMessageFormat?: MergifyCommitMessageFormat;
    /**
     * Template to use as the commit message when using the merge or squash merge method.
     * @deprecated Use `commitMessageFormat` instead.
     */
    readonly commitMessageTemplate?: string;
}
/**
 * Configure Mergify.
 *
 * This currently only offers a subset of options available.
 * @see https://docs.mergify.com/configuration/file-format/
 */
export interface MergifyOptions {
    /**
     * Pull request automation rules.
     */
    readonly rules?: MergifyRule[];
    /**
     * The available merge queues.
     */
    readonly queues?: MergifyQueue[];
}
export declare class Mergify extends Component {
    private readonly rules;
    private readonly queues;
    private yamlFile?;
    constructor(github: GitHub, options?: MergifyOptions);
    private createYamlFile;
    addRule(rule: MergifyRule): void;
    addQueue(queue: MergifyQueue): void;
}