@Override
		public MessageHeaders getHeaders() {
			return delegate.getHeaders();
		}
Gets the value.

@param <T> the generic type
@param expression the expression
@param desiredResultType the desired result type
@return the value
@throws EvaluationException the evaluation exception
spring-xd-hadoop/src/main/java/org/springframework/xd/integration/hadoop/expression/MessageExpressionMethods.java