src/vs/workbench/api/common/extHostTypes.ts/WorkspaceEdit/createFile
class WorkspaceEdit:	createFile(uri: vscode.Uri, options?: { overwrite?: boolean; ignoreIfExists?: boolean }, metadata?: vscode.WorkspaceEditEntryMetadata): void {
		this._edits.push({ _type: FileEditType.File, from: undefined, to: uri, options, metadata });
	}