code: function processNestedOperator( path, operand ) {
  	var opKeys = Object.keys( operand );
  	return {
  		operation : opKeys[ 0 ],
  		operands  : [operand[ opKeys[ 0 ] ]],
  		path      : path
  	};
  }
docs: Processes a nested operator by picking the operator out of the expression object. Returns a formatted object that can be used for querying
  @private
  @param {string} path The path to element to work with
  @param {object} operand The operands to use for the query
  @return {object} A formatted operation definition