export type ChunkType = 'begin' | 'item' | 'end' | 'error';
export type ObjectContent = {
    text_chunk: string;
    metadata?: {
        operation?: 'toolCall' | 'response' | 'inputUpdate' | 'optimizationResult';
        operationData?: {
            selectorId?: string;
            text?: string;
        };
        [key: string]: unknown;
    };
};
export interface StructuredChunk {
    type: ChunkType;
    content?: string | ObjectContent;
    metadata: {
        nodeId: string;
        nodeName: string;
        timestamp: number;
        runIndex: number;
        itemIndex: number;
        token_count?: number;
        token_percentage?: number;
        max_tokens?: number;
        tokens_this_request?: number;
    };
}
export interface NodeStreamingState {
    nodeId: string;
    chunks: string[];
    isActive: boolean;
    startTime: number;
}