@terms: Array of search terms, which the provider should treat as logical AND.
@results: An array of result identifier strings representing items which match the given search terms. Identifiers must be unique within the provider's domain, but other than that may be chosen freely by the provider.
@previous_results: Array of results previously returned by GetInitialResultSet().
@terms: Array of updated search terms, which the provider should treat as logical AND.
@results: An array of result identifier strings representing items which match the given search terms. Identifiers must be unique within the provider's domain, but other than that may be chosen freely by the provider.
Called when a search is performed which is a "subsearch" of
the previous search, e.g. the method may return less results, but
@metas: A dictionary describing the given search result, containing a human-readable 'name' (string), along with the result identifier this meta is for, 'id' (string). Optionally, either 'gicon' (a serialized GIcon) or 'icon-data' (raw image data as (iiibiiay) - width, height, rowstride, has-alpha, bits per sample, channels, data) can be specified if the result can be better served with a thumbnail of the content (such as with images). A 'description' field (string) may also be specified if more context would help the user find the desired result.