'use strict'
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var experimentalWarnings = new Set();
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function emitExperimentalWarning(feature) {
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if (experimentalWarnings.has(feature)) return;
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var msg = feature + ' is an experimental feature. This feature could ' +
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'change at any time';
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experimentalWarnings.add(feature);
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process.emitWarning(msg, 'ExperimentalWarning');
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}
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function noop() {}
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module.exports.emitExperimentalWarning = process.emitWarning
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? emitExperimentalWarning
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: noop;
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