public Expression2 substitute(String value, String replacement) {
    return substitute(Expression2.constant(value), Expression2.constant(replacement));
  }
public Expression2 substitute ( String value , String replacement ) { return substitute ( Expression2 . constant ( value ) , Expression2 . constant ( replacement ) ) ; }
Replaces all occurrences of {@code value} in this
expression with {@code replacement}.

@param value
@param replacement
@return