/**
 * @since 1.0.0
 * @category symbols
 */
export declare const DescribedTypeId: unique symbol;
/**
 * @since 1.0.0
 * @category symbols
 */
export type DescribedTypeId = typeof DescribedTypeId;
/**
 * A `Described<A>` is a value of type `A` along with a string description of
 * that value. The description may be used to generate a hash associated with
 * the value, so values that are equal should have the same description and
 * values that are not equal should have different descriptions.
 *
 * @since 1.0.0
 * @category models
 */
export interface Described<A> extends Described.Proto {
    readonly value: A;
    readonly description: string;
}
/**
 * @since 1.0.0
 */
export declare namespace Described {
    /**
     * @since 1.0.0
     * @category models
     */
    interface Proto {
        readonly [DescribedTypeId]: DescribedTypeId;
    }
}
/**
 * Constructs a new `Described<A>` from a value and a description.
 *
 * @since 1.0.0
 * @category constructors
 */
export declare const make: <A>(value: A, description: string) => Described<A>;
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