/**
 * Associates a name with an exact, opaque event tag value. Names and values are compared exactly
 * (ordinal and case-sensitive); one name may carry several values on the same event.
 * Mirrors the .NET client's `NamedTag`.
 */
export declare class NamedTag {
    /** The name of the tag. Never blank. */
    readonly name: string;
    /** The exact, opaque value of the tag. May be empty. */
    readonly value: string;
    /**
     * Initializes a new instance of {@link NamedTag}.
     * @param name - The name. Must be a nonblank string.
     * @param value - The opaque value. Must be a string; the empty string is allowed.
     * @throws {@link InvalidNamedTag} when the name is blank or not a string, or the value is not a string.
     */
    constructor(name: string, value: string);
    /**
     * Determines whether this tag has the same name and value as another, compared exactly.
     * @param other - The tag to compare with.
     * @returns True when both name and value are equal.
     */
    equals(other: NamedTag): boolean;
}
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