import { SimpleSelectQuery } from '../../models/SimpleSelectQuery';
import { DataFlowGraph } from '../models/DataFlowGraph';
import { DataSourceHandler } from './DataSourceHandler';
/**
 * Handles the processing of SQL clauses for data flow generation
 * Note: This class is simplified to focus on data flow only,
 * filtering clauses like WHERE, GROUP BY, HAVING, etc. are excluded
 */
export declare class ProcessHandler {
    private graph;
    private dataSourceHandler;
    constructor(graph: DataFlowGraph, dataSourceHandler: DataSourceHandler);
    /**
     * Processes SQL clauses for data flow diagram generation
     * Returns the current node ID without adding process nodes
     * since we focus only on data flow (sources, joins, unions)
     */
    processQueryClauses(query: SimpleSelectQuery, context: string, currentNodeId: string, cteNames: Set<string>, queryProcessor: (query: any, context: string, cteNames: Set<string>) => string): string;
}