/**
 * The size of the request payload body in bytes. This is the number of bytes transferred excluding headers and is often, but not always, present as the [Content-Length](https://www.rfc-editor.org/rfc/rfc9110.html#field.content-length) header. For requests using transport encoding, this should be the compressed size.
 *
 * @example 3495
 *
 * @experimental This attribute is experimental and is subject to breaking changes in minor releases of `@opentelemetry/semantic-conventions`.
 */
export declare const ATTR_HTTP_REQUEST_BODY_SIZE: "http.request.body.size";
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