type AgentProjectionStatus = "pending" | "streaming" | "awaiting-tools" | "complete" | "error" | "cancelled";
interface AgentProjectionOperation {
    operationId: string;
    operation: string;
    parentOperationId: string | null;
    status: "active" | "success" | "failed" | "cancelled";
    metadata: Record<string, unknown> | null;
    result: Record<string, unknown> | null;
}
interface AgentProjectionTool {
    callId: string;
    toolName: string;
    status: "started" | "progress" | "step" | "preview" | "completed" | "error" | "delegated";
    message: string | null;
    data: Record<string, unknown> | null;
}
interface AgentProjectionRenderBlock {
    blockId: string;
    blockIndex: number;
    type: string;
    status: "streaming" | "complete" | "error";
    content: string | null;
    data: Record<string, unknown> | null;
    metadata: Record<string, unknown> | null;
}
interface AgentRequestProjection {
    requestId: string;
    conversationId: string | null;
    status: AgentProjectionStatus;
    answer: string;
    reasoning: string;
    reasoningActive: boolean;
    phase: string | null;
    phaseHistory: string[];
    operations: Record<string, AgentProjectionOperation>;
    tools: Record<string, AgentProjectionTool>;
    renderBlocks: Record<string, AgentProjectionRenderBlock>;
    renderBlockOrder: string[];
    completion: Record<string, unknown> | null;
    error: Record<string, unknown> | null;
    lastTransportSeq: number;
    transportStreamId: string | null;
    eventCount: number;
}
interface AgentProjectionEvent {
    event: string;
    data?: unknown;
    stream_seq?: number;
    stream_id?: string;
}
declare function createAgentRequestProjection(input: {
    requestId: string;
    conversationId?: string | null;
}): AgentRequestProjection;
declare function projectAgentEvent(current: AgentRequestProjection, event: AgentProjectionEvent): AgentRequestProjection;
declare function projectAgentEvents(initial: AgentRequestProjection, events: readonly AgentProjectionEvent[]): AgentRequestProjection;

export { createAgentRequestProjection, projectAgentEvent, projectAgentEvents };
export type { AgentProjectionEvent, AgentProjectionOperation, AgentProjectionRenderBlock, AgentProjectionStatus, AgentProjectionTool, AgentRequestProjection };