import { KnownCaipNamespace } from "@metamask/utils";
/**
 * Generates a numeric seed for Ethereum (eip155) addresses.
 *
 * @param address The Ethereum address to generate a seed from
 * @returns A numeric seed derived from the address
 */
export declare function generateSeedEthereum(address: string): number;
/**
 * Generates a byte-array seed for non-Ethereum addresses (Solana, Bitcoin, etc.).
 *
 * @param address The non-Ethereum address to generate a seed from
 * @returns An array of numbers representing the byte-array seed
 */
export declare function generateSeedNonEthereum(address: string): number[];
/**
 * Dynamically checks if the address is Bitcoin or Solana; otherwise defaults to Ethereum.
 * Returns a Promise that resolves to one of the known CAIP-2 namespaces.
 *
 * In this update, if the address starts with "0x", we'll assume it's Ethereum (Eip155)
 * and avoid the dynamic import that can cause the "Requiring unknown module '2021'" error.
 *
 * @param address The address to check and determine its namespace
 * @returns A promise that resolves to the detected CAIP-2 namespace
 */
export declare function getCaipNamespaceFromAddress(address: string): Promise<KnownCaipNamespace>;
/**
 * SDBM hash function
 *
 * @param str The string to hash
 * @returns A numeric hash value
 */
export declare function sdbmHash(str: string): number;
/**
 * Convert numeric/byte-array seed to a 6+ length string
 *
 * @param seed The seed value to convert (either a number or array of numbers)
 * @returns A string representation of the seed (minimum 6 characters)
 */
export declare function seedToString(seed: number | number[]): string;
/**
 * Builds a full <svg> string containing the Maskicon shapes.
 *
 * @param seed The seed value used to generate the icon
 * @param size The size of the SVG icon in pixels
 * @returns An SVG string representing the Maskicon
 */
export declare function createMaskiconSVG(seed: number | number[], size?: number): string;
/**
 * Returns a Promise that resolves to the final <svg> string for the given address.
 *
 * @param address The address to generate the Maskicon for
 * @param size The size of the icon in pixels
 * @returns A promise that resolves to an SVG string
 */
export declare function getMaskiconSVG(address: string, size: number): Promise<string>;
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