src/vs/platform/userDataSync/common/keybindingsSync.ts/KeybindingsInitializer/doInitialize
class KeybindingsInitializer:	async doInitialize(remoteUserData: IRemoteUserData): Promise<void> {
		const keybindingsContent = remoteUserData.syncData ? this.getKeybindingsContentFromSyncContent(remoteUserData.syncData.content) : null;
		if (!keybindingsContent) {
			this.logService.info('Skipping initializing keybindings because remote keybindings does not exist.');
			return;
		}

		const isEmpty = await this.isEmpty();
		if (!isEmpty) {
			this.logService.info('Skipping initializing keybindings because local keybindings exist.');
			return;
		}

		await this.fileService.writeFile(this.userDataProfilesService.defaultProfile.keybindingsResource, VSBuffer.fromString(keybindingsContent));

		await this.updateLastSyncUserData(remoteUserData);
	}