import type { Streamable } from '@rimbu/stream';
import type { VariantTableBase } from '@rimbu/table/custom';
/**
 * A type-variant immutable Table of row key type R, column key type C, and value type V.
 * In the Table, a combination of a row and column key has exactly one value.
 * See the [Table documentation](https://rimbu.org/docs/collections/table) and the [VariantTable API documentation](https://rimbu.org/api/rimbu/table/VariantTable/interface)
 * @typeparam R - the row key type
 * @typeparam C - the column key type
 * @typeparam V - the value type
 * @note Type-variance means that both the key and value types
 * can be widened in a type-safe way without casting.
 * @note As a consequence of being variant, the type does not contain methods that (can) add new elements
 * to the collection.
 */
export interface VariantTable<R, C, V> extends VariantTableBase<R, C, V, VariantTable.Types> {
}
export declare namespace VariantTable {
    /**
     * A non-empty type-variant immutable Table of row key type R, column key type C, and value type V.
     * In the Table, a combination of a row and column key has exactly one value.
     * See the [Table documentation](https://rimbu.org/docs/collections/table) and the [VariantTable API documentation](https://rimbu.org/api/rimbu/table/VariantTable/interface)
     * @typeparam R - the row key type
     * @typeparam C - the column key type
     * @typeparam V - the value type
     * @note Type-variance means that both the key and value types
     * can be widened in a type-safe way without casting.
     * @note As a consequence of being variant, the type does not contain methods that (can) add new elements
     * to the collection.
     */
    interface NonEmpty<R, C, V> extends VariantTableBase.NonEmpty<R, C, V, VariantTable.Types>, Streamable.NonEmpty<[R, C, V]> {
    }
    /**
     * Utility interface that provides higher-kinded types for this collection.
     */
    interface Types extends VariantTableBase.Types {
        readonly normal: VariantTable<this['_R'], this['_C'], this['_V']>;
        readonly nonEmpty: VariantTable.NonEmpty<this['_R'], this['_C'], this['_V']>;
    }
}
