export interface TurnTokenUsage {
    promptTokens: number | null;
    completionTokens: number | null;
    totalTokens: number | null;
    tokenSource: string | null;
}
export type WriteOp = {
    readonly _tag: "CreateTurn";
    readonly sessionId: string;
    readonly turnId: string;
    readonly role: "user" | "assistant";
    readonly createdAt: number;
} | {
    readonly _tag: "AddMessageBlock";
    readonly sessionId: string;
    readonly turnId: string;
    readonly kind: string;
    readonly content: string;
    readonly id?: string;
    readonly createdAt?: number;
} | {
    readonly _tag: "CompleteTurn";
    readonly sessionId: string;
    readonly turnId: string;
    readonly stopReason: string;
    readonly tokenUsage?: TurnTokenUsage;
} | {
    readonly _tag: "RenameSession";
    readonly sessionId: string;
    readonly name: string;
} | {
    readonly _tag: "UpdateAgentSessionId";
    readonly sessionId: string;
    readonly agentSessionId: string | null;
};
export interface QueuedWriteOp {
    readonly queueId: string;
    readonly op: WriteOp;
}