import type { CryptographicFunctions } from "@metamask/key-tree";
import type { PermissionSpecificationBuilder, PermissionValidatorConstraint, RestrictedMethodOptions } from "@metamask/permission-controller";
import { PermissionType } from "@metamask/permission-controller";
import type { GetBip44EntropyParams, GetBip44EntropyResult } from "@metamask/snaps-sdk";
import type { NonEmptyArray } from "@metamask/utils";
import type { MethodHooksObject } from "../utils.mjs";
declare const targetName = "snap_getBip44Entropy";
export type GetBip44EntropyMethodHooks = {
    /**
     * Get the mnemonic seed of the provided source. If no source is provided, the
     * mnemonic seed of the primary keyring will be returned.
     *
     * @param source - The optional ID of the source to get the mnemonic of.
     * @returns The mnemonic seed of the provided source, or the default source if no
     * source is provided.
     */
    getMnemonicSeed: (source?: string | undefined) => Promise<Uint8Array>;
    /**
     * Waits for the extension to be unlocked.
     *
     * @returns A promise that resolves once the extension is unlocked.
     */
    getUnlockPromise: (shouldShowUnlockRequest: boolean) => Promise<void>;
    /**
     * Get the cryptographic functions to use for the client. This may return an
     * empty object or `undefined` to fall back to the default cryptographic
     * functions.
     *
     * @returns The cryptographic functions to use for the client.
     */
    getClientCryptography: () => CryptographicFunctions | undefined;
};
type GetBip44EntropySpecificationBuilderOptions = {
    methodHooks: GetBip44EntropyMethodHooks;
};
export declare const getBip44EntropyBuilder: Readonly<{
    readonly targetName: "snap_getBip44Entropy";
    readonly specificationBuilder: PermissionSpecificationBuilder<PermissionType.RestrictedMethod, GetBip44EntropySpecificationBuilderOptions, {
        permissionType: PermissionType.RestrictedMethod;
        targetName: typeof targetName;
        methodImplementation: ReturnType<typeof getBip44EntropyImplementation>;
        allowedCaveats: Readonly<NonEmptyArray<string>> | null;
        validator: PermissionValidatorConstraint;
    }>;
    readonly methodHooks: MethodHooksObject<GetBip44EntropyMethodHooks>;
}>;
/**
 * Builds the method implementation for `snap_getBip44Entropy`.
 *
 * @param hooks - The RPC method hooks.
 * @param hooks.getMnemonicSeed - A function to retrieve the BIP-39 seed
 * of the user.
 * @param hooks.getUnlockPromise - A function that resolves once the MetaMask
 * extension is unlocked and prompts the user to unlock their MetaMask if it is
 * locked.
 * @param hooks.getClientCryptography - A function to retrieve the cryptographic
 * functions to use for the client.
 * @returns The method implementation which returns a `BIP44CoinTypeNode`.
 * @throws If the params are invalid.
 */
export declare function getBip44EntropyImplementation({ getMnemonicSeed, getUnlockPromise, getClientCryptography, }: GetBip44EntropyMethodHooks): (args: RestrictedMethodOptions<GetBip44EntropyParams>) => Promise<GetBip44EntropyResult>;
export {};
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