import type { PrDiffPayload } from "../tools/gh-pr-diff.js";
import type { ViewLookupResult } from "../tools/gh-view.js";
import type { InternalResource, InternalUrl, ResolveContext } from "./types.js";
/**
 * Resolve the working directory the protocol should use.
 *
 * Order:
 * 1. Caller-supplied `context.cwd` (the session that initiated `read`).
 * 2. First registered session via `AgentRegistry` (single-session fallback).
 * 3. `process.cwd()` (last resort).
 *
 * The cwd drives `gh repo view` / `glab repo view` and repo listings for
 * short-form URLs, so getting this right is what keeps reads of `issue://N`
 * or `mr://N/diff` from picking the wrong repo across concurrent sessions.
 */
export declare function resolveCwd(context: ResolveContext | undefined): string;
/**
 * Split an internal URL path into raw (undecoded) segments, rejecting empty,
 * `.`, `..`, and undecodable segments.
 */
export declare function splitInternalUrlSegments(url: InternalUrl, scheme: string): string[];
export interface DiffFamilyLabels {
    /** URL prefix without `/diff`, e.g. `pr://owner/repo/7`. */
    baseUrl: string;
    /** Listing header title, e.g. `Pull Request Diff: owner/repo#7`. */
    heading: string;
    /** Short noun used in range errors, e.g. `PR`. */
    noun: string;
    /** Suffix such as `?at=<generation>` appended to nested diff URLs. */
    query?: string;
}
export declare function renderDiffFamilyResource(url: InternalUrl, mode: "list" | "all" | "slice", index: number | undefined, lookup: ViewLookupResult<PrDiffPayload>, labels: DiffFamilyLabels): InternalResource;