import { IdentityPrinter } from "./identity-printer.js";
import type * as Nodes from "@herb-tools/core";
/**
 * IndentPrinter - Re-indentation printer that preserves content but adjusts indentation
 *
 * Extends IdentityPrinter to preserve all content as-is while replacing
 * leading whitespace on each line with the correct indentation based on
 * the AST nesting depth.
 */
export declare class IndentPrinter extends IdentityPrinter {
    protected indentLevel: number;
    protected indentWidth: number;
    private pendingIndent;
    constructor(indentWidth?: number);
    protected get indent(): string;
    protected write(content: string): void;
    visitLiteralNode(node: Nodes.LiteralNode): void;
    visitHTMLTextNode(node: Nodes.HTMLTextNode): void;
    visitHTMLElementNode(node: Nodes.HTMLElementNode): void;
    visitERBIfNode(node: Nodes.ERBIfNode): void;
    visitERBElseNode(node: Nodes.ERBElseNode): void;
    visitERBBlockNode(node: Nodes.ERBBlockNode): void;
    visitERBIterationBlockNode(node: Nodes.ERBIterationBlockNode): void;
    visitERBCaseNode(node: Nodes.ERBCaseNode): void;
    visitERBWhenNode(node: Nodes.ERBWhenNode): void;
    visitERBWhileNode(node: Nodes.ERBWhileNode): void;
    visitERBUntilNode(node: Nodes.ERBUntilNode): void;
    visitERBForNode(node: Nodes.ERBForNode): void;
    visitERBBeginNode(node: Nodes.ERBBeginNode): void;
    visitERBRescueNode(node: Nodes.ERBRescueNode): void;
    visitERBEnsureNode(node: Nodes.ERBEnsureNode): void;
    visitERBUnlessNode(node: Nodes.ERBUnlessNode): void;
    /**
     * Write content, replacing leading whitespace on each line with the current indent.
     *
     * Uses a pendingIndent mechanism: when content ends with a newline followed by
     * whitespace-only, sets pendingIndent=true instead of writing the indent immediately.
     * The indent is then applied at the correct level when the next node writes content
     * (via the overridden write() method).
     */
    protected writeWithIndent(content: string): void;
}