/**
 * Flags describing which dimensions of an append take part in a concurrency check.
 * Values match the wire contract and can be combined with bitwise OR.
 */
export declare const ConcurrencyDimensions: {
    /** No dimensions declared; the append keeps its existing concurrency behavior. */
    readonly none: 0;
    /** The event source identifier. */
    readonly eventSourceId: 1;
    /** The event source type. */
    readonly eventSourceType: 2;
    /** The event stream type. */
    readonly eventStreamType: 4;
    /** The event stream identifier. */
    readonly eventStreamId: 8;
};
/** A bitwise combination of {@link ConcurrencyDimensions} values. */
export type ConcurrencyDimensionFlags = number;
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