{
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              "chrome_android": {
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                "version_added": true
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                "version_added": true
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              "webview_android": {
                "version_added": true
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                "version_added": true
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                "version_added": true
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                "version_added": true
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                "version_added": "40"
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              "firefox_android": {
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                "version_added": true
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              "opera": {
                "version_added": true
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                "version_added": true
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              "safari": {
                "version_added": true
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                "version_added": true
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                "version_added": true
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                "version_added": true
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              "webview_android": {
                "version_added": true
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              "chrome": {
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}