Microsoft.Extensions.Configuration.Json Extension methods for adding . Adds the JSON configuration provider at to . The to add to. Path relative to the base path stored in of . The . Adds the JSON configuration provider at to . The to add to. Path relative to the base path stored in of . Whether the file is optional. The . Adds the JSON configuration provider at to . The to add to. Path relative to the base path stored in of . Whether the file is optional. Whether the configuration should be reloaded if the file changes. The . Adds a JSON configuration source to . The to add to. The to use to access the file. Path relative to the base path stored in of . Whether the file is optional. Whether the configuration should be reloaded if the file changes. The . Adds a JSON configuration source to . The to add to. Configures the source. The . A JSON file based . Initializes a new instance with the specified source. The source settings. Loads the JSON data from a stream. The stream to read. Represents a JSON file as an . Builds the for this source. The . A File path must be a non-empty string. File path must be a non-empty string. Could not parse the JSON file. Error on line number '{0}': '{1}'. Could not parse the JSON file. Error on line number '{0}': '{1}'. A duplicate key '{0}' was found. A duplicate key '{0}' was found. Unsupported JSON token '{0}' was found. Path '{1}', line {2} position {3}. Unsupported JSON token '{0}' was found. Path '{1}', line {2} position {3}.