default ExpressionMatcher<PlusExpression> plus(ExpressionMatcher<?> left,
				ExpressionMatcher<?> right) {
			return new BinaryExpressionMatcher<>(PlusExpression.class, left, right);
		}
Match the form {@code L + R} or {@code R + L}

@param left the matcher for the left term
@param right the matcher for the right term
@return the matcher for the sum
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/assembler/sleigh/expr/match/ExpressionMatcher.java