/**
 * Suggestion-mode constants.
 *
 * The three mark names are part of the saved document (HTML attributes / JSON mark types), so they
 * must not change once customers persist content containing them.
 */
export declare const SuggestionConstants: {
    /** Wrapper mark: carries the suggestion identity and author. */
    readonly MARK: "veltSuggestion";
    /** Inner mark on text the suggestion removes (shown struck through until accepted). */
    readonly DELETION_MARK: "veltSuggestionDeletion";
    /** Inner mark on text the suggestion adds. */
    readonly INSERTION_MARK: "veltSuggestionInsertion";
    /** Extension name (`editor.extensionManager` / `editor.storage`). */
    readonly EXTENSION_NAME: "tiptapVeltSuggestions";
    /** ProseMirror plugin key name. */
    readonly PLUGIN_KEY: "tiptapVeltSuggestions";
    /** Prefix of every Velt target id this package registers. */
    readonly TARGET_ID_PREFIX: "velt-tiptap";
    /** Prefix of a cluster id before it is committed to Velt. */
    readonly PENDING_ID_PREFIX: "pending";
    /** Default author colour when none is resolved. */
    readonly DEFAULT_COLOR: "#1976d2";
    /** Default idle time (ms) before pending edits are committed as suggestions. */
    readonly DEFAULT_DEBOUNCE_MS: 2000;
    /** Format marks tracked by default. */
    readonly DEFAULT_TRACKED_FORMATS: readonly string[];
    /** id of the injected <style> element. */
    readonly STYLE_ELEMENT_ID: "tiptap-velt-suggestions-styles";
    /** Log prefix. */
    readonly LOG_PREFIX: "[TiptapVeltSuggestions]";
    /** SDK error codes `commitSuggestion` rejects with. */
    readonly ERROR_NO_CHANGE: "NO_CHANGE_TO_SUGGEST";
    readonly ERROR_MODE_OFF: "MODE_NOT_SUGGESTING";
};