/**
 * Aligns with Platform {@link shared/editor/rules/checkboxes.ts} CHECKBOX_REGEX:
 * one of X, space, _, or - inside brackets, then optional body.
 *
 * GFM task lines already use a list marker (`- [*] `); orphan lines start with `[` after optional indent only.
 */
export declare function normalizeOrphanTaskListPlainText(text: string): string;
export declare function plainTextHasOrphanTaskLines(text: string): boolean;