import type { CaveatSpecificationConstraint, EndowmentGetterParams, PermissionConstraint, PermissionSpecificationBuilder, PermissionValidatorConstraint } from "@metamask/permission-controller";
import { PermissionType, SubjectType } from "@metamask/permission-controller";
import type { KeyringCapabilities, KeyringOrigins } from "@metamask/snaps-utils";
import { SnapCaveatType } from "@metamask/snaps-utils";
import type { Json, NonEmptyArray } from "@metamask/utils";
import { SnapEndowments } from "./enum.cjs";
declare const permissionName = SnapEndowments.Keyring;
export declare const keyringEndowmentBuilder: Readonly<{
    readonly targetName: SnapEndowments.Keyring;
    readonly specificationBuilder: PermissionSpecificationBuilder<PermissionType.Endowment, any, {
        permissionType: PermissionType.Endowment;
        targetName: typeof permissionName;
        endowmentGetter: (_options?: EndowmentGetterParams) => null;
        allowedCaveats: Readonly<NonEmptyArray<string>> | null;
        validator: PermissionValidatorConstraint;
        subjectTypes: readonly SubjectType[];
    }>;
}>;
/**
 * Map a raw value from the `initialPermissions` to a caveat specification.
 * Note that this function does not do any validation, that's handled by the
 * PermissionsController when the permission is requested.
 *
 * @param value - The raw value from the `initialPermissions`.
 * @returns The caveat specification.
 */
export declare function getKeyringCaveatMapper(value: Json): Pick<PermissionConstraint, 'caveats'>;
/**
 * Getter function to get the {@link KeyringOrigins} caveat value from a
 * permission.
 *
 * @param permission - The permission to get the caveat value from.
 * @returns The caveat value.
 */
export declare function getKeyringCaveatOrigins(permission?: PermissionConstraint): KeyringOrigins;
/**
 * Getter function to get the {@link KeyringCapabilities} caveat value from a
 * permission.
 *
 * @param permission - The permission to get the caveat value from.
 * @returns The caveat value, or `null` if the permission does not have a
 * {@link KeyringCapabilities} caveat.
 */
export declare function getKeyringCaveatCapabilities(permission?: PermissionConstraint): KeyringCapabilities | null;
export declare const keyringCaveatSpecifications: Record<SnapCaveatType.KeyringOrigin | SnapCaveatType.KeyringCapabilities, CaveatSpecificationConstraint>;
export {};
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