src/vs/workbench/api/common/extHostOutput.ts/ExtHostOutputChannel/show
class ExtHostOutputChannel:	show(columnOrPreserveFocus?: vscode.ViewColumn | boolean, preserveFocus?: boolean): void {
		this.logger.flush();
		this.proxy.$reveal(this.id, !!(typeof columnOrPreserveFocus === 'boolean' ? columnOrPreserveFocus : preserveFocus));
	}