- upload(repo, fileBase64Url, filePath, ifExists?): Promise<ApiResult<{ 
 hash: string;
 path: string;
 }>>
- Parameters- repo: string
- fileBase64Url: string
- filePath: string
- ifExists: 
 | "error"
 | "rename"
 | "overwrite"
 | "skip" = 'rename'
 
- Returns Promise<ApiResult<{ 
 hash: string;
 path: string;
 }>>
Upload file.