src/Manager.php
public function setMappings($mappingName, array $mappingConfig = null)
	{
		if (is_array($mappingName) === false)
		{
			$mappingName = array($mappingName => $mappingConfig);
		}

		\Arr::set($this->config['mappings'], $mappingName);

		return $this;
	}
public function setMappings($mappingName, array $mappingConfig = null)
	{
		if (is_array($mappingName) === false)
		{
			$mappingName = array($mappingName => $mappingConfig);
		}

		\Arr::set($this->config['mappings'], $mappingName);

		return $this;
	}
Sets a mapping configuration

@param string $mappingName
@param array  $mappingConfig

@return this