@interface PPSRequestValidator : NSObject + (id)sharedInstance; + (BOOL)_isMetricDefinedForFilepath:(id)a0 subsystem:(id)a1 category:(id)a2 name:(id)a3; + (BOOL)_validateFilepath:(id)a0 error:(id *)a1; + (BOOL)_validatePredicateRequiredKey:(id)a0 value:(id)a1 error:(id *)a2; + (BOOL)_validatePredicateValue:(id)a0 metricDefinition:(id)a1 error:(id *)a2; + (BOOL)_validateRequestType:(long long)a0 error:(id *)a1; - (BOOL)validateDataRequest:(id)a0 filepath:(id)a1 withError:(id *)a2; @end