src/vs/platform/policy/common/policyIpc.ts/PolicyChannelClient/initializePolicies
class PolicyChannelClient:	protected async initializePolicies(policyDefinitions: IStringDictionary<PolicyDefinition>): Promise<void> {
		const result = await this.channel.call<{ [name: PolicyName]: PolicyValue }>('registerPolicyDefinitions', policyDefinitions);
		for (const name in result) {
			this.policies.set(name, result[name]);
		}
	}