import { Effect } from "effect";
import type { GitHistoryBlock } from "../../core/types/index.js";
import { type CommitDiffBlock, type CommitInfo } from "./history-helpers.js";
export type { CommitDiffBlock, CommitInfo };
export declare function getGitHistoryBlock(filePath: string, line: number, limit: number): Effect.Effect<GitHistoryBlock | null>;
/**
 * Получает блоки diff между последовательными коммитами для указанной строки.
 *
 * CHANGE: Refactored to reduce line count using helper functions
 * WHY: Original function had 111 lines
 * QUOTE(LINT): "Function has too many lines (111). Maximum allowed is 50"
 * REF: ESLint max-lines-per-function
 * SOURCE: n/a
 *
 * @param filePath Путь к файлу
 * @param line Номер строки (1-based)
 * @param limit Максимальное количество diff блоков (пар коммитов)
 * @param contextLines Количество строк контекста в unified diff
 * @returns Массив блоков diff или null при ошибке
 */
export declare function getCommitDiffBlocks(filePath: string, line: number, limit: number, contextLines?: number): Effect.Effect<readonly CommitDiffBlock[] | null>;
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