import * as view from './view';
import type { CursorRenderOpts } from './view';
import type { PresenceManager } from '@jsonjoy.com/collaborative-presence/lib/PresenceManager';
import type { StrApi } from 'json-joy/lib/json-crdt';
import type { Extension } from '@codemirror/state';
/** Accessor for the JSON CRDT `str` node — mirrors the `PeritextRef` pattern
 * used in the ProseMirror presence plugin. Return `null` / `undefined` when
 * the node is not yet available (e.g. loading state). */
export type StrRef = () => StrApi | null | undefined;
export interface PresenceExtensionOpts<Meta extends object = object> extends CursorRenderOpts {
    /** The shared presence store. */
    manager: PresenceManager<Meta>;
    /** Accessor for the JSON CRDT `str` node. */
    str: StrRef;
    /** Custom caret DOM factory. When omitted, the default label-style cursor
     * from `view.ts` is used. */
    renderCursor?: view.CursorRenderer;
    /** Custom inline decoration attrs factory for selection highlights. When
     * omitted, a semi-transparent background is used. */
    renderSelection?: view.SelectionRenderer;
    /** Extracts a {@link PresenceUser} (name, color) from the `meta` payload of a
     * `UserPresence` tuple. When omitted, user info is not shown on carets. */
    userFromMeta?: (meta: Meta) => view.PresenceUser | undefined;
    /** Interval in milliseconds for running {@link PresenceManager.removeOutdated}.
     * Pass `0` to disable internal GC. Default: 5000. */
    gcIntervalMs?: number;
}
/**
 * Creates a CodeMirror 6 {@link Extension} that renders remote peer cursors
 * and selections using a {@link PresenceManager} backed by a JSON CRDT `str` node.
 *
 * @example
 * ```ts
 * const editor = new EditorView({
 *   extensions: [
 *     ...otherExtensions,
 *     createExtension({ manager, str: () => model.api.str('/path/to/string/node') }),
 *   ],
 *   parent: container,
 * });
 * ```
 */
export declare const presenceExtension: <Meta extends object = object>(opts: PresenceExtensionOpts<Meta>) => Extension;
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