extensions/typescript-language-features/src/tsServer/bufferSyncSupport.ts/BufferSyncSupport/requestAllDiagnostics
class BufferSyncSupport:	public requestAllDiagnostics() {
		for (const buffer of this.syncedBuffers.allBuffers) {
			if (this.shouldValidate(buffer)) {
				this.pendingDiagnostics.set(buffer.resource, Date.now());
			}
		}
		this.triggerDiagnostics();
	}