export type Observation = {
    id: string;
    trace_id: string;
    type: string;
    parent_observation_id?: string | null;
    start_time: string;
    end_time?: string | null;
    name: string;
    metadata: any;
    level: string;
    status_message?: string | null;
    version?: string | null;
    input?: string | null;
    output?: string | null;
    provided_model_name?: string | null;
    internal_model_id?: string | null;
    model_parameters?: string | null;
    provided_usage_details: string;
    usage_details: string;
    provided_cost_details: string;
    cost_details: string;
    total_cost?: string | null;
    completion_start_time?: string | null;
    prompt_id?: string | null;
    prompt_name?: string | null;
    prompt_version?: number | null;
    readonly created_at: string;
    updated_at?: string;
    event_ts: string;
    is_deleted: number;
};