question: identifies the rendition stream id . concode_field_sep String renditionDocumentId concode_elem_sep String streamId concode_elem_sep String kind concode_elem_sep long length concode_elem_sep int width concode_elem_sep String mimeType concode_elem_sep String title concode_elem_sep int height concode_field_sep String getMimeType concode_elem_sep void setMimeType concode_elem_sep void setRenditionDocumentId concode_elem_sep void setTitle concode_elem_sep String getKind concode_elem_sep int getWidth concode_elem_sep void setHeight concode_elem_sep void setWidth concode_elem_sep String getRenditionDocumentId concode_elem_sep void setStreamId concode_elem_sep int getHeight concode_elem_sep void setLength concode_elem_sep String getTitle concode_elem_sep long getLength concode_elem_sep void setKind
target: String function ( ) { return streamId ; }