/**
 * Issue Sorting Utilities
 *
 * Provides sorting and priority extraction for backlog management
 */
export interface SortOptions {
    orderBy: 'priority' | 'created' | 'updated';
    direction: 'asc' | 'desc';
    priorityConfig: {
        labelPrefix: string;
    };
}
export interface Issue {
    id: string;
    number: number;
    title: string;
    description: string;
    labels: string[];
    url: string;
    state: string;
    createdAt?: string;
    updatedAt?: string;
}
/**
 * Sort issues according to strategy
 *
 * @param issues - Array of issues to sort
 * @param options - Sort options including orderBy, direction, and priority config
 * @returns Sorted array of issues
 *
 * @remarks
 * Priority sorting has inverted direction semantics compared to date sorting:
 *
 * **Priority Sorting:**
 * - `direction: 'desc'` (default) = Highest priority first = priority-1, priority-2, priority-3, ...
 * - `direction: 'asc'` = Lowest priority first = priority-4, priority-3, priority-2, priority-1
 *
 * This is because "descending priority" means "descending importance" (highest first),
 * which corresponds to ascending numeric values (1 < 2 < 3).
 *
 * **Date Sorting:**
 * - `direction: 'desc'` = Newest first (standard descending chronological order)
 * - `direction: 'asc'` = Oldest first (standard ascending chronological order)
 */
export declare function sortIssues(issues: Issue[], options: SortOptions): Issue[];
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