@Override
    public boolean equals(Object o) {
        if (o == this) {
            return true;
        } else if (o instanceof Coalesce<?>) {
            Coalesce<?> c = (Coalesce<?>) o;
            return c.exprs.equals(exprs);
        } else {
            return false;
        }
    }
Create an alias for the expression

@return this as alias
querydsl-core/src/main/java/com/querydsl/core/types/dsl/Coalesce.java