import { ESCPOSGenerator } from "./generator";
import { ElementNode } from "./types";
import { RendererAdapter } from "./adapters";
/**
 * Tree Traverser
 * Walks through the element tree and generates ESC/POS commands
 */
export declare class TreeTraverser {
    private generator;
    private adapter;
    constructor(generator: ESCPOSGenerator, adapter?: RendererAdapter);
    /**
     * Traverse the entire tree starting from root
     */
    traverse(node: ElementNode | null): Promise<void>;
    /**
     * Handle Document element
     */
    private handleDocument;
    /**
     * Handle Page element
     */
    private handlePage;
    /**
     * Handle View element (container with layout)
     */
    private handleView;
    /**
     * Handle column layout (stacked vertically)
     * Adds newlines between sibling elements for proper spacing
     */
    private handleColumnLayout;
    /**
     * Handle row layout (side-by-side columns)
     */
    private handleRowLayout;
    /**
     * Find the first Text node in a tree
     */
    private findFirstTextNode;
    /**
     * Collect text content from a node and its children
     */
    private collectTextContent;
    /**
     * Handle Text element
     */
    private handleText;
    /**
     * Handle TextNode (raw text)
     */
    private handleTextNode;
    /**
     * Handle Image element
     */
    private handleImage;
    /**
     * Traverse children nodes
     */
    private traverseChildren;
}
//# sourceMappingURL=traverser.d.ts.map