peertube/shared/models/config/server-config.model.ts

export interface ServerConfig {
  serverVersion: string,
  signup: {
    allowed: boolean
  }
  transcoding: {
    enabledResolutions: number[]
  }
  avatar: {
    file: {
      size: {
        max: number
      },
      extensions: string[]
    }
  }
  video: {
    file: {
      extensions: string[]
    }
  }
}