| 1 | /**
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| 2 | * @license
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| 3 | * Copyright 2020 Google LLC
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| 4 | *
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| 5 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 6 | * you may not use this file except in compliance with the License.
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| 7 | * You may obtain a copy of the License at
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| 8 | *
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| 9 | * http://www.apache.org/licenses/LICENSE-2.0
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| 10 | *
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| 11 | * Unless required by applicable law or agreed to in writing, software
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| 12 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 14 | * See the License for the specific language governing permissions and
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| 15 | * limitations under the License.
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| 16 | */
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| 17 | export declare const SDK_VERSION: string;
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| 18 | /** The prefix for start User Timing marks used for creating Traces. */
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| 19 | export declare const TRACE_START_MARK_PREFIX = "FB-PERF-TRACE-START";
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| 20 | /** The prefix for stop User Timing marks used for creating Traces. */
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| 21 | export declare const TRACE_STOP_MARK_PREFIX = "FB-PERF-TRACE-STOP";
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| 22 | /** The prefix for User Timing measure used for creating Traces. */
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| 23 | export declare const TRACE_MEASURE_PREFIX = "FB-PERF-TRACE-MEASURE";
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| 24 | /** The prefix for out of the box page load Trace name. */
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| 25 | export declare const OOB_TRACE_PAGE_LOAD_PREFIX = "_wt_";
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| 26 | export declare const FIRST_PAINT_COUNTER_NAME = "_fp";
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| 27 | export declare const FIRST_CONTENTFUL_PAINT_COUNTER_NAME = "_fcp";
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| 28 | export declare const FIRST_INPUT_DELAY_COUNTER_NAME = "_fid";
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| 29 | export declare const CONFIG_LOCAL_STORAGE_KEY = "@firebase/performance/config";
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| 30 | export declare const CONFIG_EXPIRY_LOCAL_STORAGE_KEY = "@firebase/performance/configexpire";
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| 31 | export declare const SERVICE = "performance";
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| 32 | export declare const SERVICE_NAME = "Performance";
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