import { type PromptLineChange } from '../prompts/diff.js';
import type { ContextBundle } from './hub.js';
/** One entry that differs between two bundle versions. */
export interface ContextChange {
    /** The part of the bundle. */
    section: 'description' | 'prompts' | 'instructions' | 'tools' | 'skills' | 'config';
    /** The entry within it: a prompt role, an instruction or skill name, a tool name, or a config key. */
    key: string;
    /** Whether the entry was added, removed, or changed. */
    change: 'added' | 'removed' | 'changed';
    /** Line by line, for text: an instruction, a skill's instructions, or the description. */
    lines?: PromptLineChange[];
    /** The entry before, for anything that is not text. */
    before?: unknown;
    /** The entry after, for anything that is not text. */
    after?: unknown;
}
/** What changed between two versions of a bundle. */
export interface ContextDiff {
    /** The bundle. */
    name: string;
    /** The earlier version. */
    from: string;
    /** The later version. */
    to: string;
    /** Every entry that differs, section by section. */
    changes: ContextChange[];
}
/** Compares two versions of a bundle, entry by entry, with line diffs for text. */
export declare function diffContexts(from: ContextBundle, to: ContextBundle): ContextDiff;
/** A diff as text, one line per change and `+`/`-` lines for text, for a terminal or a pull request. */
export declare function formatContextDiff(diff: ContextDiff): string;