columna API reference - v0.4.1
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    Type Alias KafkaClient

    Duck-typed consumer for tests / custom clients. Return already-fetched messages; columna maps them to rows.

    type KafkaClient = {
        close?: () => void | Promise<void>;
        consume: (
            request: {
                fromBeginning?: boolean;
                maxWaitMs?: number;
                nMessages?: number;
                topic: string;
            },
        ) => Promise<KafkaRawMessage[]>;
    }
    Index
    close? consume
    close?: () => void | Promise<void>
    consume: (
        request: {
            fromBeginning?: boolean;
            maxWaitMs?: number;
            nMessages?: number;
            topic: string;
        },
    ) => Promise<KafkaRawMessage[]>

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