import type { Hooks } from '@opencode-ai/plugin';
import type { Logger } from '../types';
import type { GraphService } from '../graph/service';
interface GraphToolHookDeps {
    graphService: GraphService | null;
    logger: Logger;
    cwd: string;
}
/**
 * Map storing pre-command git revision snapshots keyed by callID.
 * Only populated for bash commands that are branch-change candidates.
 * Exported for testing purposes.
 */
export declare const pendingBranchSnapshots: Map<string, {
    cwd: string;
    branch: string | null;
    headRef: string | null;
}>;
/**
 * Resolves the effective git working directory for a bash tool call.
 * - Uses args.workdir when present
 * - Falls back to the plugin/project cwd
 * - Normalizes relative paths against the project root
 */
export declare function resolveBashWorkdir(args: unknown, projectCwd: string): string;
/**
 * Determines whether a bash command is worth branch tracking.
 * Initial command set includes git branch-changing commands.
 * Excludes file restoration commands with explicit -- separator like `git checkout -- <path>`.
 * For bare `git checkout <arg>` without --, we conservatively track it and let the
 * after-hook compare pre/post branch state to determine if a rescan is needed.
 */
export declare function isBranchChangeCommand(args: unknown): boolean;
/**
 * Extract file paths from git checkout file restoration commands.
 * Handles patterns like:
 * - git checkout -- <path>
 * - git checkout HEAD -- <path>
 * - git checkout <commit> -- <path>
 * - git checkout <path> (unambiguous file path without --)
 * Returns empty array if not a checkout file restore command.
 */
export declare function extractCheckoutPaths(args: unknown, workdir: string): string[];
/**
 * Reads the current git HEAD revision (commit hash) from the resolved working directory using git.
 * Returns null when the directory is not a repo or the revision cannot be determined.
 */
export declare function getCurrentHeadRef(workdir: string): string | null;
/**
 * Reads the current branch name from the resolved working directory using git.
 * Returns null when the directory is not a repo or the branch cannot be determined.
 */
export declare function getCurrentBranch(workdir: string): string | null;
/**
 * Gets the list of changed file paths between two git revisions.
 * Uses git diff --name-only with the specified diff filter to detect additions, deletions, and modifications.
 * Returns an empty array if the refs are equal, invalid, or if git command fails.
 */
export declare function getChangedPathsBetweenRefs(workdir: string, prevRef: string, nextRef: string): string[];
/**
 * Creates a before-hook for graph tool execution that captures pre-command branch state.
 * Only inspects bash tool calls that are branch-change candidates.
 */
export declare function createGraphToolBeforeHook(deps: GraphToolHookDeps): Hooks['tool.execute.before'];
export declare function createGraphToolAfterHook(deps: GraphToolHookDeps): Hooks['tool.execute.after'];
export {};
//# sourceMappingURL=graph-tools.d.ts.map