/**
 * Peer change notices: a peer changed a symbol this worktree's agent declared it reads, or was
 * recently served by `orient` or `recall` (changes: add-peer-change-notices,
 * add-peer-notices-served-set-and-fleet-records).
 *
 * Computed from the peer footprint board, not from messages: for each symbol in the read-set an
 * agent of this worktree declared (`declare_footprint`), and each function a lease token issued in
 * this worktree within {@link SERVED_WINDOW_MS} names, each live peer's worktree is checked. The
 * symbol counts as changed by the peer only when the peer's base commits — at declaration and now —
 * still had the declared text, and the peer's working tree no longer does. So a peer that merely
 * branched from an older version, or rebased onto someone else's change, is not blamed for a
 * difference it did not make. Read-only; a neutral fact for the after-tools hook.
 */
/** Served functions count for as long as a board entry stays live without a refresh. */
export declare const SERVED_WINDOW_MS: number;
export interface PeerChangeNotice {
    /** The symbol's id (file and name). */
    id: string;
    symbol: string;
    file: string;
    /** The file's path from the worktree top (the once-per-session key). */
    repoPath: string;
    peer: {
        actorId: string;
        worktree: string;
        branch: string;
    };
    /** How this worktree read it: a declared read-set, or served by `orient` or `recall`. */
    via: 'declared' | 'served';
    /** When the read-set was declared, or when it was served. */
    at: string;
}
/** The symbols this worktree's agents declared reading, or were served, that a live peer has since changed. */
export declare function peerChangeNotices(root: string): Promise<PeerChangeNotice[]>;
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