/**
 * Represents the sequence number of an event within an event sequence.
 */
export declare class EventSequenceNumber {
    readonly value: bigint;
    /** Represents the first possible sequence number. */
    static readonly first: EventSequenceNumber;
    /** Represents an unset/unavailable sequence number; no expected revision was supplied. */
    static readonly unset: EventSequenceNumber;
    /** Expects no event matching the scope. Encoded as ExpectsNoMatchingEvent, not as a wire sequence number. */
    static readonly beforeFirst: EventSequenceNumber;
    constructor(value: bigint);
    /**
     * Determines whether this sequence number comes before another.
     * @param other - The other sequence number to compare with.
     * @returns True if this sequence number is before the other.
     */
    isBefore(other: EventSequenceNumber): boolean;
    /**
     * Determines whether this sequence number comes after another.
     * @param other - The other sequence number to compare with.
     * @returns True if this sequence number is after the other.
     */
    isAfter(other: EventSequenceNumber): boolean;
    /** @inheritdoc */
    toString(): string;
}
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