/**
 * Compute all patches needed for a document's blocks.
 *
 * Rainbow is based on relative heading depth in the body, not block_type:
 * - Highest level heading → LightRedBackground
 * - Next level → LightOrangeBackground
 * - And so on...
 */
import type { LarkCli } from "../cli.js";
export type BgMode = "light" | "dark";
export interface Patch {
    blockId: string;
    bg: string;
    label: string;
}
/**
 * Compute all patches needed for a document's blocks.
 *
 * Block types (Lark docx):
 *   3=H1, 4=H2, 5=H3, 6=H4, 7=H5, 8=H6, 9=H7, 10=H8, 11=H9
 *
 * Rainbow shifts to match actual heading levels in the body:
 * - If body starts at H2, then H2=red, H3=orange, H4=yellow, ...
 */
export declare function computePatches(blocks: Record<string, unknown>[], bgMode?: BgMode): Patch[];
/**
 * Strip Feishu's auto-added trailing newline from code block elements.
 *
 * When lark-cli creates a document, the markdown parser appends \n to the
 * last element of every code block (block_type 14). Feishu renders this as
 * a visible blank line at the bottom of the code block in the UI.
 *
 * The Feishu PATCH API does not support updating code block element content
 * (returns 1770001 invalid param). Instead, delete the block and recreate it
 * without the trailing \n — same approach as feishu_tool.py's _make_code().
 *
 * Returns number of code blocks fixed.
 */
export declare function cleanupEmptyTails(cli: LarkCli, docId: string, blocks: Record<string, unknown>[]): number;
/**
 * Execute patches sequentially with rate limiting.
 * Returns [successCount, totalCount].
 */
export declare function executePatches(cli: LarkCli, docId: string, patches: Patch[], delayMs?: number): [number, number];
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