core/src/main/java/org/springframework/security/authentication/jaas/memory/InMemoryConfiguration.java
@Override
	public AppConfigurationEntry[] getAppConfigurationEntry(String name) {
		AppConfigurationEntry[] mappedResult = this.mappedConfigurations.get(name);
		return mappedResult == null ? this.defaultConfiguration : mappedResult;
	}
@Override
	public AppConfigurationEntry[] getAppConfigurationEntry(String name) {
		AppConfigurationEntry[] mappedResult = this.mappedConfigurations.get(name);
		return mappedResult == null ? this.defaultConfiguration : mappedResult;
	}
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