Declares the class for the Horizontal FieldConstructor.
Declares the class for the Horizontal FieldConstructor. It needs the column widths for the corresponding Bootstrap3 form-group
Returns it as a B3FieldConstructor to use it as default within a template
Returns a new HorizontalFieldConstructor to use for specific forms or scopes (don't use it as a default one).
Returns a new HorizontalFieldConstructor to use for specific forms or scopes (don't use it as a default one). If a default B3FieldConstructor and a specific HorizontalFieldConstructor are within the same scope, the more specific will be chosen.
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