<PackageReference Include="Microsoft.Extensions.Configuration.Abstractions" Version="1.0.0-rc1-final" />

IConfigurationProvider

public interface IConfigurationProvider
Represents a source of configuration key/values for an application.
IEnumerable<string> GetChildKeys(IEnumerable<string> earlierKeys, string parentPath, string delimiter)

Returns the immediate descendant configuration keys for a given parent path based on this IConfigurationProvider's data and the set of keys returned by all the preceding IConfigurationProviders.

void Load()

Loads configuration values from the source represented by this IConfigurationProvider.

void Set(string key, string value)

Sets a configuration value for the specified key.

bool TryGet(string key, out string value)

Tries to get a configuration value for the specified key.