@interface CalAlarmMetadata : CalItemMetadata + (BOOL)supportsSecureCoding; + (id)metadataWithData:(id)a0; + (BOOL)isRecognizedParameter:(id)a0 forProperty:(id)a1 inComponent:(id)a2; + (BOOL)isRecognizedProperty:(id)a0 inComponent:(id)a1; + (BOOL)shouldSkipSavingUnrecognizedParametersForProperty:(id)a0 inComponent:(id)a1; - (id)initWithCoder:(id)a0; @end