import type { ContextStrategy, ExtractionNodeConfig, FlowConfig, FlowNodeConfig, FlowTransitionConfig } from '../types/index.js';
import { FlowNode } from './FlowNode.js';
export declare class FlowGraph {
    private nodes;
    private transitions;
    private defaultRolePrompt?;
    private contextStrategy?;
    addNode(node: FlowNode): this;
    addTransition(from: string, to: string, config?: Omit<FlowTransitionConfig, 'from' | 'to'>): this;
    setDefaultRolePrompt(prompt: string): this;
    setContextStrategy(strategy: ContextStrategy): this;
    toConfig(): FlowConfig;
    static create(): FlowGraphBuilder;
}
export declare class FlowGraphBuilder {
    private graph;
    node(id: string, config: Omit<FlowNodeConfig, 'id'>): this;
    /** Add an extraction node that loops until a Zod schema is fully satisfied. */
    extractionNode(id: string, config: Omit<ExtractionNodeConfig, 'id' | 'nodeType'>): this;
    transition(from: string, to: string, config?: Omit<FlowTransitionConfig, 'from' | 'to'>): this;
    defaultRolePrompt(prompt: string): this;
    contextStrategy(strategy: ContextStrategy): this;
    build(): FlowConfig;
}