public static QMap map(Expression<?>... exprs) {
        return new QMap(exprs);
    }
Create a Map typed projection for the given expressions

<p>Example</p>
<pre>{@code
Map<Expression<?>, ?> map = query.select(
     Projections.map(user.firstName, user.lastName));
}</pre>

@param exprs arguments for the projection
@return factory expression
querydsl-core/src/main/java/com/querydsl/core/types/Projections.java