// This file is @generated by prost-build.
/// TracesData represents the traces data that can be stored in a persistent storage,
/// OR can be embedded by other protocols that transfer OTLP traces data but do
/// not implement the OTLP protocol.
///
/// The main difference between this message and collector protocol is that
/// in this message there will not be any "control" or "metadata" specific to
/// OTLP protocol.
///
/// When new fields are added into this message, the OTLP request MUST be updated
/// as well.
#[cfg_attr(feature = "with-schemars", derive(schemars::JsonSchema))]
#[cfg_attr(feature = "with-serde", derive(serde::Serialize, serde::Deserialize))]
#[cfg_attr(feature = "with-serde", serde(rename_all = "camelCase"))]
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct TracesData {
    /// An array of ResourceSpans.
    /// For data coming from a single resource this array will typically contain
    /// one element. Intermediary nodes that receive data from multiple origins
    /// typically batch the data before forwarding further and in that case this
    /// array will contain multiple elements.
    #[prost(message, repeated, tag = "1")]
    pub resource_spans: ::prost::alloc::vec::Vec<ResourceSpans>,
}
/// A collection of ScopeSpans from a Resource.
#[cfg_attr(feature = "with-schemars", derive(schemars::JsonSchema))]
#[cfg_attr(feature = "with-serde", derive(serde::Serialize, serde::Deserialize))]
#[cfg_attr(feature = "with-serde", serde(rename_all = "camelCase"))]
#[cfg_attr(feature = "with-serde", serde(default))]
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ResourceSpans {
    /// The resource for the spans in this message.
    /// If this field is not set then no resource info is known.
    #[prost(message, optional, tag = "1")]
    pub resource: ::core::option::Option<super::super::resource::v1::Resource>,
    /// A list of ScopeSpans that originate from a resource.
    #[prost(message, repeated, tag = "2")]
    pub scope_spans: ::prost::alloc::vec::Vec<ScopeSpans>,
    /// The Schema URL, if known. This is the identifier of the Schema that the resource data
    /// is recorded in. To learn more about Schema URL see
    /// <https://opentelemetry.io/docs/specs/otel/schemas/#schema-url>
    /// This schema_url applies to the data in the "resource" field. It does not apply
    /// to the data in the "scope_spans" field which have their own schema_url field.
    #[prost(string, tag = "3")]
    pub schema_url: ::prost::alloc::string::String,
}
/// A collection of Spans produced by an InstrumentationScope.
#[cfg_attr(feature = "with-schemars", derive(schemars::JsonSchema))]
#[cfg_attr(feature = "with-serde", derive(serde::Serialize, serde::Deserialize))]
#[cfg_attr(feature = "with-serde", serde(rename_all = "camelCase"))]
#[cfg_attr(feature = "with-serde", serde(default))]
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct ScopeSpans {
    /// The instrumentation scope information for the spans in this message.
    /// Semantically when InstrumentationScope isn't set, it is equivalent with
    /// an empty instrumentation scope name (unknown).
    #[prost(message, optional, tag = "1")]
    pub scope: ::core::option::Option<super::super::common::v1::InstrumentationScope>,
    /// A list of Spans that originate from an instrumentation scope.
    #[prost(message, repeated, tag = "2")]
    pub spans: ::prost::alloc::vec::Vec<Span>,
    /// The Schema URL, if known. This is the identifier of the Schema that the span data
    /// is recorded in. To learn more about Schema URL see
    /// <https://opentelemetry.io/docs/specs/otel/schemas/#schema-url>
    /// This schema_url applies to all spans and span events in the "spans" field.
    #[prost(string, tag = "3")]
    pub schema_url: ::prost::alloc::string::String,
}
/// A Span represents a single operation performed by a single component of the system.
///
/// The next available field id is 17.
#[cfg_attr(feature = "with-schemars", derive(schemars::JsonSchema))]
#[cfg_attr(feature = "with-serde", derive(serde::Serialize, serde::Deserialize))]
#[cfg_attr(feature = "with-serde", serde(rename_all = "camelCase"))]
#[cfg_attr(feature = "with-serde", serde(default))]
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Span {
    /// A unique identifier for a trace. All spans from the same trace share
    /// the same `trace_id`. The ID is a 16-byte array. An ID with all zeroes OR
    /// of length other than 16 bytes is considered invalid (empty string in OTLP/JSON
    /// is zero-length and thus is also invalid).
    ///
    /// This field is required.
    #[prost(bytes = "vec", tag = "1")]
    #[cfg_attr(
        feature = "with-serde",
        serde(
            serialize_with = "crate::proto::serializers::serialize_to_hex_string",
            deserialize_with = "crate::proto::serializers::deserialize_from_hex_string"
        )
    )]
    pub trace_id: ::prost::alloc::vec::Vec<u8>,
    /// A unique identifier for a span within a trace, assigned when the span
    /// is created. The ID is an 8-byte array. An ID with all zeroes OR of length
    /// other than 8 bytes is considered invalid (empty string in OTLP/JSON
    /// is zero-length and thus is also invalid).
    ///
    /// This field is required.
    #[prost(bytes = "vec", tag = "2")]
    #[cfg_attr(
        feature = "with-serde",
        serde(
            serialize_with = "crate::proto::serializers::serialize_to_hex_string",
            deserialize_with = "crate::proto::serializers::deserialize_from_hex_string"
        )
    )]
    pub span_id: ::prost::alloc::vec::Vec<u8>,
    /// trace_state conveys information about request position in multiple distributed tracing graphs.
    /// It is a trace_state in w3c-trace-context format: <https://www.w3.org/TR/trace-context/#tracestate-header>
    /// See also <https://github.com/w3c/distributed-tracing> for more details about this field.
    #[prost(string, tag = "3")]
    pub trace_state: ::prost::alloc::string::String,
    /// The `span_id` of this span's parent span. If this is a root span, then this
    /// field must be empty. The ID is an 8-byte array.
    #[prost(bytes = "vec", tag = "4")]
    #[cfg_attr(
        feature = "with-serde",
        serde(
            serialize_with = "crate::proto::serializers::serialize_to_hex_string",
            deserialize_with = "crate::proto::serializers::deserialize_from_hex_string"
        )
    )]
    pub parent_span_id: ::prost::alloc::vec::Vec<u8>,
    /// Flags, a bit field.
    ///
    /// Bits 0-7 (8 least significant bits) are the trace flags as defined in W3C Trace
    /// Context specification. To read the 8-bit W3C trace flag, use
    /// `flags & SPAN_FLAGS_TRACE_FLAGS_MASK`.
    ///
    /// See <https://www.w3.org/TR/trace-context-2/#trace-flags> for the flag definitions.
    ///
    /// Bits 8 and 9 represent the 3 states of whether a span's parent
    /// is remote. The states are (unknown, is not remote, is remote).
    /// To read whether the value is known, use `(flags & SPAN_FLAGS_CONTEXT_HAS_IS_REMOTE_MASK) != 0`.
    /// To read whether the span is remote, use `(flags & SPAN_FLAGS_CONTEXT_IS_REMOTE_MASK) != 0`.
    ///
    /// When creating span messages, if the message is logically forwarded from another source
    /// with an equivalent flags fields (i.e., usually another OTLP span message), the field SHOULD
    /// be copied as-is. If creating from a source that does not have an equivalent flags field
    /// (such as a runtime representation of an OpenTelemetry span), the high 22 bits MUST
    /// be set to zero.
    /// Readers MUST NOT assume that bits 10-31 (22 most significant bits) will be zero.
    ///
    /// \[Optional\].
    #[prost(fixed32, tag = "16")]
    pub flags: u32,
    /// A description of the span's operation.
    ///
    /// For example, the name can be a qualified method name or a file name
    /// and a line number where the operation is called. A best practice is to use
    /// the same display name at the same call point in an application.
    /// This makes it easier to correlate spans in different traces.
    ///
    /// This field is semantically required to be set to non-empty string.
    /// Empty value is equivalent to an unknown span name.
    ///
    /// This field is required.
    #[prost(string, tag = "5")]
    pub name: ::prost::alloc::string::String,
    /// Distinguishes between spans generated in a particular context. For example,
    /// two spans with the same name may be distinguished using `CLIENT` (caller)
    /// and `SERVER` (callee) to identify queueing latency associated with the span.
    #[prost(enumeration = "span::SpanKind", tag = "6")]
    pub kind: i32,
    /// start_time_unix_nano is the start time of the span. On the client side, this is the time
    /// kept by the local machine where the span execution starts. On the server side, this
    /// is the time when the server's application handler starts running.
    /// Value is UNIX Epoch time in nanoseconds since 00:00:00 UTC on 1 January 1970.
    ///
    /// This field is semantically required and it is expected that end_time >= start_time.
    #[prost(fixed64, tag = "7")]
    #[cfg_attr(
        feature = "with-serde",
        serde(
            serialize_with = "crate::proto::serializers::serialize_u64_to_string",
            deserialize_with = "crate::proto::serializers::deserialize_string_to_u64"
        )
    )]
    pub start_time_unix_nano: u64,
    /// end_time_unix_nano is the end time of the span. On the client side, this is the time
    /// kept by the local machine where the span execution ends. On the server side, this
    /// is the time when the server application handler stops running.
    /// Value is UNIX Epoch time in nanoseconds since 00:00:00 UTC on 1 January 1970.
    ///
    /// This field is semantically required and it is expected that end_time >= start_time.
    #[prost(fixed64, tag = "8")]
    #[cfg_attr(
        feature = "with-serde",
        serde(
            serialize_with = "crate::proto::serializers::serialize_u64_to_string",
            deserialize_with = "crate::proto::serializers::deserialize_string_to_u64"
        )
    )]
    pub end_time_unix_nano: u64,
    /// attributes is a collection of key/value pairs. Note, global attributes
    /// like server name can be set using the resource API. Examples of attributes:
    ///
    ///      "/http/user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
    ///      "/http/server_latency": 300
    ///      "example.com/myattribute": true
    ///      "example.com/score": 10.239
    ///
    /// The OpenTelemetry API specification further restricts the allowed value types:
    /// <https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/common/README.md#attribute>
    /// Attribute keys MUST be unique (it is not allowed to have more than one
    /// attribute with the same key).
    #[prost(message, repeated, tag = "9")]
    pub attributes: ::prost::alloc::vec::Vec<super::super::common::v1::KeyValue>,
    /// dropped_attributes_count is the number of attributes that were discarded. Attributes
    /// can be discarded because their keys are too long or because there are too many
    /// attributes. If this value is 0, then no attributes were dropped.
    #[prost(uint32, tag = "10")]
    pub dropped_attributes_count: u32,
    /// events is a collection of Event items.
    #[prost(message, repeated, tag = "11")]
    pub events: ::prost::alloc::vec::Vec<span::Event>,
    /// dropped_events_count is the number of dropped events. If the value is 0, then no
    /// events were dropped.
    #[prost(uint32, tag = "12")]
    pub dropped_events_count: u32,
    /// links is a collection of Links, which are references from this span to a span
    /// in the same or different trace.
    #[prost(message, repeated, tag = "13")]
    pub links: ::prost::alloc::vec::Vec<span::Link>,
    /// dropped_links_count is the number of dropped links after the maximum size was
    /// enforced. If this value is 0, then no links were dropped.
    #[prost(uint32, tag = "14")]
    pub dropped_links_count: u32,
    /// An optional final status for this span. Semantically when Status isn't set, it means
    /// span's status code is unset, i.e. assume STATUS_CODE_UNSET (code = 0).
    #[prost(message, optional, tag = "15")]
    pub status: ::core::option::Option<Status>,
}
/// Nested message and enum types in `Span`.
pub mod span {
    /// Event is a time-stamped annotation of the span, consisting of user-supplied
    /// text description and key-value pairs.
    #[cfg_attr(feature = "with-schemars", derive(schemars::JsonSchema))]
    #[cfg_attr(feature = "with-serde", derive(serde::Serialize, serde::Deserialize))]
    #[cfg_attr(feature = "with-serde", serde(rename_all = "camelCase"))]
    #[cfg_attr(feature = "with-serde", serde(default))]
    #[allow(clippy::derive_partial_eq_without_eq)]
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct Event {
        /// time_unix_nano is the time the event occurred.
        #[prost(fixed64, tag = "1")]
        #[cfg_attr(
            feature = "with-serde",
            serde(
                serialize_with = "crate::proto::serializers::serialize_u64_to_string",
                deserialize_with = "crate::proto::serializers::deserialize_string_to_u64"
            )
        )]
        pub time_unix_nano: u64,
        /// name of the event.
        /// This field is semantically required to be set to non-empty string.
        #[prost(string, tag = "2")]
        pub name: ::prost::alloc::string::String,
        /// attributes is a collection of attribute key/value pairs on the event.
        /// Attribute keys MUST be unique (it is not allowed to have more than one
        /// attribute with the same key).
        #[prost(message, repeated, tag = "3")]
        pub attributes: ::prost::alloc::vec::Vec<
            super::super::super::common::v1::KeyValue,
        >,
        /// dropped_attributes_count is the number of dropped attributes. If the value is 0,
        /// then no attributes were dropped.
        #[prost(uint32, tag = "4")]
        pub dropped_attributes_count: u32,
    }
    /// A pointer from the current span to another span in the same trace or in a
    /// different trace. For example, this can be used in batching operations,
    /// where a single batch handler processes multiple requests from different
    /// traces or when the handler receives a request from a different project.
    #[cfg_attr(feature = "with-schemars", derive(schemars::JsonSchema))]
    #[cfg_attr(feature = "with-serde", derive(serde::Serialize, serde::Deserialize))]
    #[cfg_attr(feature = "with-serde", serde(rename_all = "camelCase"))]
    #[cfg_attr(feature = "with-serde", serde(default))]
    #[allow(clippy::derive_partial_eq_without_eq)]
    #[derive(Clone, PartialEq, ::prost::Message)]
    pub struct Link {
        /// A unique identifier of a trace that this linked span is part of. The ID is a
        /// 16-byte array.
        #[prost(bytes = "vec", tag = "1")]
        pub trace_id: ::prost::alloc::vec::Vec<u8>,
        /// A unique identifier for the linked span. The ID is an 8-byte array.
        #[prost(bytes = "vec", tag = "2")]
        pub span_id: ::prost::alloc::vec::Vec<u8>,
        /// The trace_state associated with the link.
        #[prost(string, tag = "3")]
        pub trace_state: ::prost::alloc::string::String,
        /// attributes is a collection of attribute key/value pairs on the link.
        /// Attribute keys MUST be unique (it is not allowed to have more than one
        /// attribute with the same key).
        #[prost(message, repeated, tag = "4")]
        pub attributes: ::prost::alloc::vec::Vec<
            super::super::super::common::v1::KeyValue,
        >,
        /// dropped_attributes_count is the number of dropped attributes. If the value is 0,
        /// then no attributes were dropped.
        #[prost(uint32, tag = "5")]
        pub dropped_attributes_count: u32,
        /// Flags, a bit field.
        ///
        /// Bits 0-7 (8 least significant bits) are the trace flags as defined in W3C Trace
        /// Context specification. To read the 8-bit W3C trace flag, use
        /// `flags & SPAN_FLAGS_TRACE_FLAGS_MASK`.
        ///
        /// See <https://www.w3.org/TR/trace-context-2/#trace-flags> for the flag definitions.
        ///
        /// Bits 8 and 9 represent the 3 states of whether the link is remote.
        /// The states are (unknown, is not remote, is remote).
        /// To read whether the value is known, use `(flags & SPAN_FLAGS_CONTEXT_HAS_IS_REMOTE_MASK) != 0`.
        /// To read whether the link is remote, use `(flags & SPAN_FLAGS_CONTEXT_IS_REMOTE_MASK) != 0`.
        ///
        /// Readers MUST NOT assume that bits 10-31 (22 most significant bits) will be zero.
        /// When creating new spans, bits 10-31 (most-significant 22-bits) MUST be zero.
        ///
        /// \[Optional\].
        #[prost(fixed32, tag = "6")]
        pub flags: u32,
    }
    /// SpanKind is the type of span. Can be used to specify additional relationships between spans
    /// in addition to a parent/child relationship.
    #[cfg_attr(feature = "with-schemars", derive(schemars::JsonSchema))]
    #[cfg_attr(feature = "with-serde", derive(serde::Serialize, serde::Deserialize))]
    #[cfg_attr(feature = "with-serde", serde(rename_all = "camelCase"))]
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum SpanKind {
        /// Unspecified. Do NOT use as default.
        /// Implementations MAY assume SpanKind to be INTERNAL when receiving UNSPECIFIED.
        Unspecified = 0,
        /// Indicates that the span represents an internal operation within an application,
        /// as opposed to an operation happening at the boundaries. Default value.
        Internal = 1,
        /// Indicates that the span covers server-side handling of an RPC or other
        /// remote network request.
        Server = 2,
        /// Indicates that the span describes a request to some remote service.
        Client = 3,
        /// Indicates that the span describes a producer sending a message to a broker.
        /// Unlike CLIENT and SERVER, there is often no direct critical path latency relationship
        /// between producer and consumer spans. A PRODUCER span ends when the message was accepted
        /// by the broker while the logical processing of the message might span a much longer time.
        Producer = 4,
        /// Indicates that the span describes consumer receiving a message from a broker.
        /// Like the PRODUCER kind, there is often no direct critical path latency relationship
        /// between producer and consumer spans.
        Consumer = 5,
    }
    impl SpanKind {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                SpanKind::Unspecified => "SPAN_KIND_UNSPECIFIED",
                SpanKind::Internal => "SPAN_KIND_INTERNAL",
                SpanKind::Server => "SPAN_KIND_SERVER",
                SpanKind::Client => "SPAN_KIND_CLIENT",
                SpanKind::Producer => "SPAN_KIND_PRODUCER",
                SpanKind::Consumer => "SPAN_KIND_CONSUMER",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "SPAN_KIND_UNSPECIFIED" => Some(Self::Unspecified),
                "SPAN_KIND_INTERNAL" => Some(Self::Internal),
                "SPAN_KIND_SERVER" => Some(Self::Server),
                "SPAN_KIND_CLIENT" => Some(Self::Client),
                "SPAN_KIND_PRODUCER" => Some(Self::Producer),
                "SPAN_KIND_CONSUMER" => Some(Self::Consumer),
                _ => None,
            }
        }
    }
}
/// The Status type defines a logical error model that is suitable for different
/// programming environments, including REST APIs and RPC APIs.
#[cfg_attr(feature = "with-schemars", derive(schemars::JsonSchema))]
#[cfg_attr(feature = "with-serde", derive(serde::Serialize, serde::Deserialize))]
#[cfg_attr(feature = "with-serde", serde(rename_all = "camelCase"))]
#[cfg_attr(feature = "with-serde", serde(default))]
#[allow(clippy::derive_partial_eq_without_eq)]
#[derive(Clone, PartialEq, ::prost::Message)]
pub struct Status {
    /// A developer-facing human readable error message.
    #[prost(string, tag = "2")]
    pub message: ::prost::alloc::string::String,
    /// The status code.
    #[prost(enumeration = "status::StatusCode", tag = "3")]
    pub code: i32,
}
/// Nested message and enum types in `Status`.
pub mod status {
    /// For the semantics of status codes see
    /// <https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/trace/api.md#set-status>
    #[cfg_attr(feature = "with-schemars", derive(schemars::JsonSchema))]
    #[cfg_attr(feature = "with-serde", derive(serde::Serialize, serde::Deserialize))]
    #[cfg_attr(feature = "with-serde", serde(rename_all = "camelCase"))]
    #[derive(
        Clone,
        Copy,
        Debug,
        PartialEq,
        Eq,
        Hash,
        PartialOrd,
        Ord,
        ::prost::Enumeration
    )]
    #[repr(i32)]
    pub enum StatusCode {
        /// The default status.
        Unset = 0,
        /// The Span has been validated by an Application developer or Operator to
        /// have completed successfully.
        Ok = 1,
        /// The Span contains an error.
        Error = 2,
    }
    impl StatusCode {
        /// String value of the enum field names used in the ProtoBuf definition.
        ///
        /// The values are not transformed in any way and thus are considered stable
        /// (if the ProtoBuf definition does not change) and safe for programmatic use.
        pub fn as_str_name(&self) -> &'static str {
            match self {
                StatusCode::Unset => "STATUS_CODE_UNSET",
                StatusCode::Ok => "STATUS_CODE_OK",
                StatusCode::Error => "STATUS_CODE_ERROR",
            }
        }
        /// Creates an enum from field names used in the ProtoBuf definition.
        pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
            match value {
                "STATUS_CODE_UNSET" => Some(Self::Unset),
                "STATUS_CODE_OK" => Some(Self::Ok),
                "STATUS_CODE_ERROR" => Some(Self::Error),
                _ => None,
            }
        }
    }
}
/// SpanFlags represents constants used to interpret the
/// Span.flags field, which is protobuf 'fixed32' type and is to
/// be used as bit-fields. Each non-zero value defined in this enum is
/// a bit-mask.  To extract the bit-field, for example, use an
/// expression like:
///
///    (span.flags & SPAN_FLAGS_TRACE_FLAGS_MASK)
///
/// See <https://www.w3.org/TR/trace-context-2/#trace-flags> for the flag definitions.
///
/// Note that Span flags were introduced in version 1.1 of the
/// OpenTelemetry protocol.  Older Span producers do not set this
/// field, consequently consumers should not rely on the absence of a
/// particular flag bit to indicate the presence of a particular feature.
#[cfg_attr(feature = "with-schemars", derive(schemars::JsonSchema))]
#[cfg_attr(feature = "with-serde", derive(serde::Serialize, serde::Deserialize))]
#[cfg_attr(feature = "with-serde", serde(rename_all = "camelCase"))]
#[derive(Clone, Copy, Debug, PartialEq, Eq, Hash, PartialOrd, Ord, ::prost::Enumeration)]
#[repr(i32)]
pub enum SpanFlags {
    /// The zero value for the enum. Should not be used for comparisons.
    /// Instead use bitwise "and" with the appropriate mask as shown above.
    DoNotUse = 0,
    /// Bits 0-7 are used for trace flags.
    TraceFlagsMask = 255,
    /// Bits 8 and 9 are used to indicate that the parent span or link span is remote.
    /// Bit 8 (`HAS_IS_REMOTE`) indicates whether the value is known.
    /// Bit 9 (`IS_REMOTE`) indicates whether the span or link is remote.
    ContextHasIsRemoteMask = 256,
    ContextIsRemoteMask = 512,
}
impl SpanFlags {
    /// String value of the enum field names used in the ProtoBuf definition.
    ///
    /// The values are not transformed in any way and thus are considered stable
    /// (if the ProtoBuf definition does not change) and safe for programmatic use.
    pub fn as_str_name(&self) -> &'static str {
        match self {
            SpanFlags::DoNotUse => "SPAN_FLAGS_DO_NOT_USE",
            SpanFlags::TraceFlagsMask => "SPAN_FLAGS_TRACE_FLAGS_MASK",
            SpanFlags::ContextHasIsRemoteMask => "SPAN_FLAGS_CONTEXT_HAS_IS_REMOTE_MASK",
            SpanFlags::ContextIsRemoteMask => "SPAN_FLAGS_CONTEXT_IS_REMOTE_MASK",
        }
    }
    /// Creates an enum from field names used in the ProtoBuf definition.
    pub fn from_str_name(value: &str) -> ::core::option::Option<Self> {
        match value {
            "SPAN_FLAGS_DO_NOT_USE" => Some(Self::DoNotUse),
            "SPAN_FLAGS_TRACE_FLAGS_MASK" => Some(Self::TraceFlagsMask),
            "SPAN_FLAGS_CONTEXT_HAS_IS_REMOTE_MASK" => Some(Self::ContextHasIsRemoteMask),
            "SPAN_FLAGS_CONTEXT_IS_REMOTE_MASK" => Some(Self::ContextIsRemoteMask),
            _ => None,
        }
    }
}