import { UnityChangeset as UnityChangesetClass, UnityReleaseEntitlement, UnityReleaseStream } from "./unityChangeset.js";
export declare const UnityChangeset: typeof UnityChangesetClass;
export type UnityChangeset = UnityChangesetClass;
export { UnityReleaseEntitlement, UnityReleaseStream };
/**
 * Retrieves the Unity changeset for a specific version.
 * @param version - The Unity version string (e.g., "2020.1.14f1").
 * @param db - Optional database URL or true to use the default database.
 * @returns A Promise that resolves to the UnityChangeset object.
 * @throws Error if the version is not found.
 */
export declare function getUnityChangeset(version: string, db?: string | true, includeExternalSources?: boolean): Promise<UnityChangeset>;
export declare enum SearchMode {
    All = 0,
    Default = 2,
    PreRelease = 3,
    LTS = 4,
    Supported = 6
}
export declare enum GroupMode {
    All = "all",
    OldestPatch = "oldest-patch",
    LatestPatch = "latest-patch",
    LatestLifecycle = "latest-lifecycle"
}
export interface FilterOptions {
    min: string;
    max: string;
    grep: string;
    allLifecycles: boolean;
    xlts: boolean;
    ignoreAlpha: boolean;
    ignoreBeta: boolean;
}
export declare enum OutputMode {
    Changeset = "changeset",
    VersionOnly = "version",
    MinorVersionOnly = "minor-version"
}
export declare enum FormatMode {
    None = "none",
    Json = "json",
    PrettyJson = "pretty-json"
}
/**
 * Lists Unity changesets based on search, filter, group, output, and format options.
 * @param searchMode - The search mode to use.
 * @param filterOptions - The filter options to apply.
 * @param groupMode - The group mode to use.
 * @param outputMode - The output mode for the results.
 * @param formatMode - The format mode for the output.
 * @param db - Optional database URL or true to use the default database.
 * @returns A Promise that resolves to a formatted string of the results.
 */
export declare function listChangesets(searchMode: SearchMode, filterOptions: FilterOptions, groupMode: GroupMode, outputMode: OutputMode, formatMode: FormatMode, db?: string | true, includeExternalSources?: boolean): Promise<string>;
/**
 * Searches for Unity changesets based on the specified search mode.
 * @param searchMode - The search mode to use.
 * @param db - Optional database URL or true to use the default database.
 * @returns A Promise that resolves to an array of UnityChangeset objects.
 * @throws Error if the search mode is not supported.
 */
export declare function searchChangesets(searchMode: SearchMode, db?: string | true, includeExternalSources?: boolean): Promise<UnityChangeset[]>;
/**
 * Filters an array of Unity changesets based on the provided options.
 * @param changesets - The array of UnityChangeset objects to filter.
 * @param options - The filter options.
 * @returns An array of filtered UnityChangeset objects.
 */
export declare function filterChangesets(changesets: UnityChangeset[], options: FilterOptions): UnityChangeset[];
/**
 * Groups an array of Unity changesets based on the specified group mode.
 * @param changesets - The array of UnityChangeset objects to group.
 * @param groupMode - The group mode to use.
 * @returns An array of grouped UnityChangeset objects.
 * @throws Error if the group mode is not supported.
 */
export declare function groupChangesets(changesets: UnityChangeset[], groupMode: GroupMode): UnityChangeset[];
/**
 * Retrieves all Unity changesets from the database.
 * @param db - Database URL. If not specified, use the default database.
 * @returns A Promise that resolves to an array of all UnityChangeset objects from the database.
 * @throws Error if the database cannot be fetched or is invalid.
 */
export declare function getAllChangesetsFromDb(db?: string): Promise<UnityChangeset[]>;
/**
 * Searches for Unity changesets from the database based on the specified search mode.
 * @param streams - The array of release streams to filter by.
 * @param db - Database URL. If not specified, use the default database.
 * @returns A Promise that resolves to an array of UnityChangeset objects from the database.
 */
export declare function searchChangesetsFromDb(streams: UnityReleaseStream[], db?: string): Promise<UnityChangeset[]>;