import type { Stream, Streamable } from '@rimbu/stream';
import type { ValuedGraphBase } from '@rimbu/graph/custom';
import type { ValuedGraphElement } from '../../../common/index.cjs';
export interface EdgeValuedGraphBase<N, V, Tp extends EdgeValuedGraphBase.Types = EdgeValuedGraphBase.Types> extends ValuedGraphBase<N, V, Tp> {
    /**
     * Returns false since this is an edge (undirected) graph instance.
     */
    readonly isDirected: false;
}
export declare namespace EdgeValuedGraphBase {
    interface NonEmpty<N, V, Tp extends EdgeValuedGraphBase.Types = EdgeValuedGraphBase.Types> extends ValuedGraphBase.NonEmpty<N, V, Tp>, Omit<EdgeValuedGraphBase<N, V, Tp>, keyof ValuedGraphBase.NonEmpty<any, any, any>>, Streamable.NonEmpty<ValuedGraphElement<N, V>> {
        /**
         * Returns a non-empty `Stream` containing all graph elements of this collection as single tuples for isolated nodes
         * and 3-valued tuples containing the source node, target node, and connection value for connections.
         * @example
         * ```ts
         * EdgeValuedGraphHashed.of([1, 2, 'a'], [2, 3, 'b']).stream().toArray()
         * // => [[1, 2, 'a'], [2, 3, 'b']]
         * ```
         */
        stream(): Stream.NonEmpty<ValuedGraphElement<N, V>>;
    }
    interface Builder<N, V, Tp extends EdgeValuedGraphBase.Types = EdgeValuedGraphBase.Types> extends ValuedGraphBase.Builder<N, V, Tp> {
    }
    interface Context<UN, Tp extends EdgeValuedGraphBase.Types = EdgeValuedGraphBase.Types> extends ValuedGraphBase.Context<UN, Tp> {
    }
    /**
     * Utility interface that provides higher-kinded types for this collection.
     */
    interface Types extends ValuedGraphBase.Types {
        readonly normal: EdgeValuedGraphBase<this['_N'], this['_V']>;
        readonly nonEmpty: EdgeValuedGraphBase.NonEmpty<this['_N'], this['_V']>;
        readonly context: EdgeValuedGraphBase.Context<this['_N']>;
        readonly builder: EdgeValuedGraphBase.Builder<this['_N'], this['_V']>;
    }
}