/**
 * JSON to AST Parser
 *
 * Converts n8n workflow JSON to intermediate AST representation
 */
import { N8nWorkflow, WorkflowAST } from '../types.js';
/**
 * Parse n8n workflow JSON to AST
 */
export declare class JsonToAstParser {
    /**
     * Parse workflow JSON to AST
     */
    parse(workflow: N8nWorkflow): WorkflowAST;
    /**
     * Normalize workflow tags from API responses.
     *
     * n8n API responses may expose tags either as strings or as objects
     * containing id/name fields depending on the caller and endpoint.
     */
    private parseTags;
    /**
     * Parse single node
     */
    private parseNode;
    /**
     * Parse connections from n8n format to AST format
     *
     * n8n format:
     * {
     *   "Node A": {
     *     "main": [
     *       [{ node: "Node B", type: "main", index: 0 }]
     *     ],
     *     "ai_languageModel": [
     *       [{ node: "Agent", type: "ai_languageModel", index: 0 }]
     *     ]
     *   }
     * }
     *
     * AST format:
     * [
     *   { from: { node: "NodeA", output: 0 }, to: { node: "NodeB", input: 0 } }
     * ]
     *
     * NOTE: AI connections (ai_*) are extracted separately via extractAIDependencies()
     */
    private parseConnections;
    /**
     * Extract AI dependencies from connections and populate node aiDependencies
     *
     * AI dependencies are connections like:
     * - ai_languageModel: The LLM model for an agent
     * - ai_memory: Memory buffer for an agent
     * - ai_outputParser: Output parser for structured responses
     * - ai_tool: Tools available to an agent (array)
     * - ai_agent: Agent sub-node
     * - ai_chain: Chain sub-node
     * - ai_document: Document loaders (array)
     * - ai_textSplitter: Text splitter sub-node
     * - ai_embedding: Embedding model sub-node
     * - ai_retriever: Retriever sub-node for RAG
     * - ai_reranker: Reranker sub-node
     * - ai_vectorStore: Vector store sub-node
     */
    private extractAIDependencies;
}
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