| 1 | /**
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| 2 | * Slightly modernized version of [`base64-js`][1].
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| 3 | * Performance is slightly improved due to pre-allocating arrays.
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| 4 | *
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| 5 | * This version drops support for platforms that don't provide
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| 6 | * `Uint8Array` and `DataView`. Use the original in those cases.
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| 7 | *
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| 8 | * [1]: https://github.com/beatgammit/base64-js
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| 9 | * [2]: https://tools.ietf.org/html/rfc3986#section-2.3
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| 10 | */
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| 11 | /**
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| 12 | * Takes a base 64 string and converts it to an array buffer.
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| 13 | * Accepts both regular Base64 and the URL-friendly variant,
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| 14 | * where `+` => `-`, `/` => `_`, and the padding character is omitted.
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| 15 | *
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| 16 | * @param str A Base64 string in either regular or URL-friendly representation.
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| 17 | * @returns The binary data as `Uint8Array`.
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| 18 | */
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| 19 | export declare function toByteArray(str: string): Uint8Array;
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| 20 | /**
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| 21 | * Encodes binary data provided in an array buffer as a Base64 string.
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| 22 | * @param bufferSource The raw data to encode.
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| 23 | * @param urlFriendly Set to true to encode in a URL-friendly way.
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| 24 | * @returns The contents a Base64 string.
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| 25 | */
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| 26 | export declare function fromByteArray(bufferSource: BufferSource, urlFriendly?: boolean): string;
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| 27 | export { fromByteArray as encode, toByteArray as decode, };
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