FilterDeclare declares.

    <dt>Register Providers</dt>

    <dd>The <directive module="mod_filter">FilterProvider</directive>

    directive registers a provider with a filter. The filter may have

    been registered with <directive module="mod_filter"

    been declared with <directive module="mod_filter"

    >FilterDeclare</directive>; if not, FilterProvider will implicitly

    declare it with the default type AP_FTYPE_RESOURCE. The provider

    must have been