default ExpressionMatcher<ConstantValue> cv(long value) {
			return new ConstantValueMatcher(value);
		}
Match a given constant value

<p>
<b>NOTE:</b> To match an unspecified constant value, use {@link #var(Class)} with
{@link ConstantValue}.

@param value the value to match
@return the matcher
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/app/plugin/assembler/sleigh/expr/match/ExpressionMatcher.java