async _getContext( config, userConfig ) {
		const context = {};
		const { attributes } = config;

		// set all of the user's param values in the context object
		if ( isArray( attributes ) ) {
			for ( const { name } of attributes ) {
				context[ name ] = userConfig[ name ];
			}
		}

		return context;
	}
Set the provider's static parameters context
@param {Object} config
@param {Object[]} [config.attributes]
@param {Object} userConfig
@returns {Promise.<Object>}