code: function getBmpBin(): string {
      const cwd = new WorkingDirectory().resolve()
  
      if (fs.existsSync(cwd + '/.yangpao.toml')) {
          return which('yangpao')
      }
      if (fs.existsSync(cwd + '/.bmp.yml')) {
          return which('bmp')
      }
  }
docs: Get bmp|yangpao full path
  @private