/*
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* Copyright 2020 Google LLC
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import <Foundation/Foundation.h>
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#import "GDTCORTargets.h"
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NS_ASSUME_NONNULL_BEGIN
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/** This class enables the finding of events by matching events with the properties of this class.
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*/
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@interface GDTCORStorageEventSelector : NSObject
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/** The target to find events for. Required. */
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@property(readonly, nonatomic) GDTCORTarget selectedTarget;
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/** Finds a specific event. */
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@property(nullable, readonly, nonatomic) NSSet<NSString *> *selectedEventIDs;
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/** Finds all events of a mappingID. */
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@property(nullable, readonly, nonatomic) NSSet<NSString *> *selectedMappingIDs;
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/** Finds all events matching the qosTiers in this list. */
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@property(nullable, readonly, nonatomic) NSSet<NSNumber *> *selectedQosTiers;
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/** Initializes an event selector that will find all events for the given target.
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*
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* @param target The selected target.
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* @return An immutable event selector instance.
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*/
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+ (instancetype)eventSelectorForTarget:(GDTCORTarget)target;
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/** Instantiates an event selector.
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*
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* @param target The selected target.
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* @param eventIDs Optional param to find an event matching this eventID.
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* @param mappingIDs Optional param to find events matching this mappingID.
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* @param qosTiers Optional param to find events matching the given QoS tiers.
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* @return An immutable event selector instance.
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*/
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- (instancetype)initWithTarget:(GDTCORTarget)target
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eventIDs:(nullable NSSet<NSString *> *)eventIDs
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mappingIDs:(nullable NSSet<NSString *> *)mappingIDs
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qosTiers:(nullable NSSet<NSNumber *> *)qosTiers;
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@end
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NS_ASSUME_NONNULL_END
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