/** `Operation` discriminants a client sends or receives. */
export declare const Operation: {
    readonly Reserved: 0;
    readonly Register: 1;
    readonly NonReplicated: 2;
    readonly Logout: 3;
    readonly CreateTopicWithAssignments: 64;
    readonly CreatePartitionsWithAssignments: 65;
    readonly RemoveConsumerGroupMember: 66;
    readonly CompleteConsumerGroupRevocation: 67;
    readonly TruncatePartition: 68;
    readonly CreateStream: 128;
    readonly UpdateStream: 129;
    readonly DeleteStream: 130;
    readonly PurgeStream: 131;
    readonly CreateTopic: 132;
    readonly UpdateTopic: 133;
    readonly DeleteTopic: 134;
    readonly PurgeTopic: 135;
    readonly CreatePartitions: 136;
    readonly DeletePartitions: 137;
    readonly DeleteSegments: 138;
    readonly CreateConsumerGroup: 139;
    readonly DeleteConsumerGroup: 140;
    readonly CreateUser: 141;
    readonly UpdateUser: 142;
    readonly DeleteUser: 143;
    readonly ChangePassword: 144;
    readonly UpdatePermissions: 145;
    readonly CreatePersonalAccessToken: 146;
    readonly DeletePersonalAccessToken: 147;
    readonly JoinConsumerGroup: 148;
    readonly LeaveConsumerGroup: 149;
    readonly SendMessages: 160;
    readonly StoreConsumerOffset: 161;
    readonly DeleteConsumerOffset: 162;
};
/**
 * Whether the byte is a declared `Operation` discriminant. Replies carry a
 * server-controlled operation byte; Rust validates it with a checked cast,
 * so an undeclared value must be rejected, not classified by range.
 */
export declare const isKnownOperation: (operation: number) => boolean;
/** Internal band, never client-sent. */
export declare const isInternal: (operation: number) => boolean;
/**
 * Metadata classification is an explicit allowlist, not a range:
 * `DeleteSegments` (138) sits inside the band but resolves to a partition
 * truncation server-side, so it is deliberately excluded. Port of
 * `Operation::is_metadata`.
 */
export declare const isMetadata: (operation: number) => boolean;
/** Whether a reply body leads with a committed result section. */
export declare const isResultFramed: (operation: number) => boolean;
/**
 * Picks the header operation for a command code. Unknown extension codes are
 * sent as non-replicated with their command code in the reserved header field,
 * allowing the server to classify or reject them.
 */
export declare const operationForCode: (code: number) => number;
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