export interface FlowNode {
  id: string
  label?: string
  color?: string
}

export interface FlowLink {
  source: string
  target: string
  value: number
  color?: string
}

export interface FlowData {
  nodes: FlowNode[]
  links: FlowLink[]
}

export interface SandboxNode {
  id: string
  type: 'source' | 'pipe' | 'sink'
  label: string
  flowRate?: number
  fillLevel?: number
}