| 1 | /**
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| 2 | * Copyright 2019, OpenCensus Authors
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| 3 | *
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| 4 | * Licensed under the Apache License, Version 2.0 (the "License");
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| 5 | * you may not use this file except in compliance with the License.
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| 6 | * You may obtain a copy of the License at
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| 7 | *
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| 8 | * http://www.apache.org/licenses/LICENSE-2.0
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| 9 | *
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| 10 | * Unless required by applicable law or agreed to in writing, software
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| 11 | * distributed under the License is distributed on an "AS IS" BASIS,
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| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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| 13 | * See the License for the specific language governing permissions and
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| 14 | * limitations under the License.
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| 15 | */
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| 16 | declare type ValidationFn = (value: string) => boolean;
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| 17 | /**
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| 18 | * Determines if the given traceId is valid based on section 2.2.2.1 of the
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| 19 | * Trace Context spec.
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| 20 | */
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| 21 | export declare const isValidTraceId: ValidationFn;
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| 22 | /**
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| 23 | * Determines if the given spanId is valid based on section 2.2.2.2 of the Trace
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| 24 | * Context spec.
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| 25 | */
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| 26 | export declare const isValidSpanId: ValidationFn;
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| 27 | /**
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| 28 | * Determines if the given option is valid based on section 2.2.3 of the Trace
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| 29 | * Context spec.
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| 30 | */
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| 31 | export declare const isValidOption: ValidationFn;
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| 32 | export {};
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