src/vs/workbench/contrib/snippets/browser/snippetsFile.ts/Snippet/constructor
class Snippet:	constructor(
		readonly isFileTemplate: boolean,
		readonly scopes: string[],
		readonly name: string,
		readonly prefix: string,
		readonly description: string,
		readonly body: string,
		readonly source: string,
		readonly snippetSource: SnippetSource,
		readonly snippetIdentifier: string,
		readonly extensionId?: ExtensionIdentifier,
	) {
		this.prefixLow = prefix.toLowerCase();
		this._bodyInsights = new IdleValue(() => new SnippetBodyInsights(this.body));
	}