import type { DiagnosticOutcome, IRNode, TranspileDiagnostic } from './types.js';
/**
 * Approximate token count using a punctuation/whitespace split heuristic.
 *
 * @remarks This is NOT aligned with any specific BPE tokenizer (GPT, Claude, etc.).
 * Do not use for billing calculations or precise context-window budgeting.
 * Intended for relative comparisons (IR vs generated output).
 *
 * @param text - The text to estimate tokens for
 * @returns Approximate token count
 */
export declare function countTokens(text: string): number;
/**
 * Serialize an IR tree to a compact KERN-like text format.
 *
 * Used for token-count comparisons and IR debugging. Outputs one line per node
 * with props inline and children indented.
 *
 * @param node - The IR node to serialize
 * @param indent - Current indentation prefix (used in recursion)
 * @returns Compact string representation of the IR tree
 */
export declare function serializeIR(node: IRNode, indent?: string): string;
export declare function camelKey(text: string): string;
/** Escape text content for JSX — prevents XSS in rendered HTML */
export declare function escapeJsxText(s: string): string;
/** Escape attribute values for JSX — prevents XSS in attributes */
export declare function escapeJsxAttr(s: string): string;
/** Escape strings for JS string literals (single-quoted) */
export declare function escapeJsString(s: string): string;
/** @deprecated Use escapeJsxText, escapeJsxAttr, or escapeJsString */
export declare function escapeJsx(s: string): string;
export type AccountedEntry = {
    outcome: DiagnosticOutcome;
    reason?: string;
};
/** Mark a node (and optionally all its descendants) as accounted for in the tracking map. */
export declare function accountNode(map: Map<IRNode, AccountedEntry>, node: IRNode, outcome: DiagnosticOutcome, reason?: string, recursive?: boolean): void;
/** Build diagnostics by diffing all IR nodes against the accounted map. Root-cause-only reporting. */
export declare function buildDiagnostics(root: IRNode, accounted: Map<IRNode, AccountedEntry>, target: string): TranspileDiagnostic[];