/**
 * @since 1.0.0
 */
export declare enum SpanKind {
    /** Default value. Indicates that the span is used internally. */
    INTERNAL = 0,
    /**
     * Indicates that the span covers server-side handling of an RPC or other
     * remote request.
     */
    SERVER = 1,
    /**
     * Indicates that the span covers the client-side wrapper around an RPC or
     * other remote request.
     */
    CLIENT = 2,
    /**
     * Indicates that the span describes producer sending a message to a
     * broker. Unlike client and server, there is no direct critical path latency
     * relationship between producer and consumer spans.
     */
    PRODUCER = 3,
    /**
     * Indicates that the span describes consumer receiving a message from a
     * broker. Unlike client and server, there is no direct critical path latency
     * relationship between producer and consumer spans.
     */
    CONSUMER = 4
}
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