src/vs/workbench/api/common/extHostOutput.ts/AbstractExtHostOutputChannel/show
class AbstractExtHostOutputChannel:	show(columnOrPreserveFocus?: vscode.ViewColumn | boolean, preserveFocus?: boolean): void {
		this.validate();
		this._id.then(id => this._proxy.$reveal(id, !!(typeof columnOrPreserveFocus === 'boolean' ? columnOrPreserveFocus : preserveFocus)));
	}