import { AgentProjectionRenderBlock } from './request.cjs';

interface NodeStreamEvent {
    event: "node_stream";
    run_id: string;
    node_id: string | null;
    dispatch_id?: string;
    item_index?: number;
    kind: "chunk" | "reasoning" | "phase" | "tool" | "warning" | "record_update" | "resource_changed" | "render_block" | "media" | "context_analysis";
    delta: string;
    stream_seq: number;
    ts: string;
    chunks_received: number;
    chars_streamed: number;
    frame_id?: string | null;
    frame_index?: number;
    frame_count?: number;
    block_shadowed?: boolean;
}

interface WorkflowNodeStreamEvent {
    run_id: string;
    node_id?: string | null;
    kind: NodeStreamEvent["kind"];
    delta: string;
    stream_seq: number;
    ts: string;
    chunks_received: number;
    chars_streamed: number;
    frame_id?: string | null;
    frame_index?: number;
    frame_count?: number;
    block_shadowed?: boolean;
}
interface WorkflowProjectionLimits {
    maxOpenFrameSets: number;
    maxFramesPerBlock: number;
    maxBytesPerBlock: number;
}
declare const DEFAULT_WORKFLOW_PROJECTION_LIMITS: Readonly<WorkflowProjectionLimits>;
interface WorkflowRenderFrameSet {
    frameCount: number;
    slices: Record<number, string>;
    byteLength: number;
}
type WorkflowRenderBlockIssueCode = "invalid_frame_metadata" | "frame_count_mismatch" | "open_frame_limit_exceeded" | "frame_limit_exceeded" | "byte_limit_exceeded" | "malformed_json" | "invalid_render_block";
interface WorkflowRenderBlockIssue {
    code: WorkflowRenderBlockIssueCode;
    frameId: string | null;
    streamSeq: number;
    message: string;
}
interface WorkflowNodeProjection {
    runId: string;
    nodeId: string;
    answer: string;
    reasoning: string;
    blockShadowed: boolean;
    renderBlocks: Record<string, AgentProjectionRenderBlock>;
    renderBlockOrder: string[];
    openFrames: Record<string, WorkflowRenderFrameSet>;
    limits: WorkflowProjectionLimits;
    lastRenderBlockIssue: WorkflowRenderBlockIssue | null;
    chunksReceived: number;
    charsStreamed: number;
    lastStreamingTs: string | null;
    lastPhase: string | null;
    lastTool: string | null;
    lastWarning: string | null;
    lastTransportSeq: number;
}
declare function createWorkflowNodeProjection(input: {
    runId: string;
    nodeId: string;
    limits?: Partial<WorkflowProjectionLimits>;
}): WorkflowNodeProjection;
declare function projectWorkflowNodeEvent(current: WorkflowNodeProjection, event: WorkflowNodeStreamEvent): WorkflowNodeProjection;

export { DEFAULT_WORKFLOW_PROJECTION_LIMITS, createWorkflowNodeProjection, projectWorkflowNodeEvent };
export type { WorkflowNodeProjection, WorkflowNodeStreamEvent, WorkflowProjectionLimits, WorkflowRenderBlockIssue, WorkflowRenderBlockIssueCode, WorkflowRenderFrameSet };