in src/construct.ts [287:295]
public addMetadata(type: string, data: any, options: MetadataOptions = { }): void {
if (data == null) {
return;
}
const shouldTrace = options.stackTrace ?? false;
const trace = shouldTrace ? captureStackTrace(options.traceFromFunction ?? this.addMetadata) : undefined;
this._metadata.push({ type, data, trace });
}