/**
 * One file an answered agent message created, edited or deleted inside one project.
 *
 * Note: [🚉] This is fully serializable as JSON
 *
 * @private internal type of the agent-message runtime
 */
export type AgentMessageProjectChangedFile = {
    /**
     * Path of the file relative to the project root, using `/` separators.
     */
    readonly path: string;
    /**
     * Count of lines added to the file.
     */
    readonly insertionCount: number;
    /**
     * Count of lines removed from the file.
     */
    readonly deletionCount: number;
};
/**
 * Everything answering one single message changed inside one agent project.
 *
 * Each agent project is a git repository and every answer which modifies it is committed there
 * automatically, so this describes exactly one such commit — the trace of what one message really
 * did to one project, which a chat can show below the answer that did it.
 *
 * Note: [🚉] This is fully serializable as JSON
 *
 * @private internal type of the agent-message runtime
 */
export type AgentMessageProjectChange = {
    /**
     * Directory name of the changed project inside the agent `projects/` folder.
     */
    readonly projectName: string;
    /**
     * Full hash of the commit holding the changes of this message.
     */
    readonly commitHash: string;
    /**
     * ISO 8601 timestamp when the changes were committed.
     */
    readonly committedAt: string;
    /**
     * Files the message changed, ordered as git reports them.
     */
    readonly changedFiles: ReadonlyArray<AgentMessageProjectChangedFile>;
    /**
     * Count of lines added across all changed files.
     */
    readonly insertionCount: number;
    /**
     * Count of lines removed across all changed files.
     */
    readonly deletionCount: number;
    /**
     * Unified diff of the commit, shortened when the change is too large to carry into a chat.
     */
    readonly diff: string;
    /**
     * Whether `diff` holds only the beginning of the real diff.
     */
    readonly isDiffTruncated: boolean;
};
/**
 * Validates one already-parsed JSON value as a project change.
 *
 * @param value - Raw serialized project change.
 * @returns The typed project change, or `null` when the value does not match the expected shape,
 * so consumers can silently skip foreign or malformed entries.
 *
 * @private internal utility of the agent-message runtime
 */
export declare function normalizeAgentMessageProjectChange(value: unknown): AgentMessageProjectChange | null;