import type { SankeyExtraProperties, SankeyGraph, SankeyLayout } from "./sankey.types.mjs";
/**
 * Get a Sankey layout generator.
 *
 * Invoking sankey() without generics, means the node type and link type assume no user-defined attributes, i.e.
 * only the attributes internally used by the Sankey layout generator.
 *
 * Default nodes/links accessors are assumed.
 */
export declare function sankey<WithPosition extends boolean>(withoutPositions?: WithPosition): SankeyLayout<WithPosition, SankeyGraph<WithPosition, {}, {}>, {}, {}>;
/**
 * Get a Sankey layout generator.
 *
 * Default nodes/links accessors are assumed.
 *
 * The first generic N refers to user-defined properties contained in the node data passed into
 * Sankey layout generator. These properties are IN EXCESS to the properties explicitly identified in the
 * SankeyNodeMinimal interface.
 *
 * The second generic L refers to user-defined properties contained in the link data passed into
 * Sankey layout generator. These properties are IN EXCESS to the properties explicitly identified in the
 * SankeyLinkMinimal interface.
 */
export declare function sankey<N extends SankeyExtraProperties, L extends SankeyExtraProperties, WithPosition extends boolean>(withoutPositions?: WithPosition): SankeyLayout<WithPosition, SankeyGraph<WithPosition, N, L>, N, L>;
/**
 * Get a Sankey layout generator.
 *
 * The nodes/links accessors need to be configured to work with the data type of the first argument passed
 * in when invoking the Sankey layout generator.
 *
 * The first generic corresponds to the data type of the first argument passed in when invoking the Sankey layout generator,
 * and its nodes/links accessors.
 *
 * The second generic N refers to user-defined properties contained in the node data passed into
 * Sankey layout generator. These properties are IN EXCESS to the properties explicitly identified in the
 * SankeyNodeMinimal interface.
 *
 * The third generic L refers to user-defined properties contained in the link data passed into
 * Sankey layout generator. These properties are IN EXCESS to the properties explicitly identified in the
 * SankeyLinkMinimal interface.
 */
export declare function sankey<Data, N extends SankeyExtraProperties, L extends SankeyExtraProperties, WithPosition extends boolean>(withPositions?: WithPosition): SankeyLayout<WithPosition, Data, N, L>;