import type { CaipChainId, CaipNamespace, Hex, Json } from '@metamask/utils';
import type { ExternalScopesObject, ExternalScopeString, NormalizedScopesObject } from './types.js';
/**
 * Represents the parameters of a [CAIP-25](https://chainagnostic.org/CAIPs/caip-25) request.
 */
export type Caip25Authorization = ({
    requiredScopes: ExternalScopesObject;
    optionalScopes?: ExternalScopesObject;
} | {
    requiredScopes?: ExternalScopesObject;
    optionalScopes: ExternalScopesObject;
}) & {
    sessionProperties?: Record<string, Json>;
    scopedProperties?: Record<ExternalScopeString, Json>;
};
/**
 * Validates and normalizes a set of scopes according to the [CAIP-217](https://chainagnostic.org/CAIPs/caip-217) spec.
 *
 * @param requiredScopes - The required scopes to validate and normalize.
 * @param optionalScopes - The optional scopes to validate and normalize.
 * @returns An object containing the normalized required scopes and normalized optional scopes.
 */
export declare const validateAndNormalizeScopes: (requiredScopes: ExternalScopesObject, optionalScopes: ExternalScopesObject) => {
    normalizedRequiredScopes: NormalizedScopesObject;
    normalizedOptionalScopes: NormalizedScopesObject;
};
/**
 * Groups a NormalizedScopesObject into three separate
 * NormalizedScopesObjects for supported scopes,
 * supportable scopes, and unsupportable scopes.
 *
 * @param scopes - The NormalizedScopesObject to group.
 * @param hooks - The hooks.
 * @param hooks.isEvmChainIdSupported - A helper that returns true if an eth chainId is currently supported by the wallet.
 * @param hooks.isEvmChainIdSupportable - A helper that returns true if an eth chainId could be supported by the wallet.
 * @param hooks.isNonEvmScopeSupported - A predicate that determines if an non EVM scopeString is supported.
 * @param hooks.getNonEvmSupportedMethods - A function that returns the supported methods for a non EVM scope.
 * @returns an object with three NormalizedScopesObjects separated by support.
 */
export declare const bucketScopes: (scopes: NormalizedScopesObject, { isEvmChainIdSupported, isEvmChainIdSupportable, isNonEvmScopeSupported, getNonEvmSupportedMethods, }: {
    isEvmChainIdSupported: (chainId: Hex) => boolean;
    isEvmChainIdSupportable: (chainId: Hex) => boolean;
    isNonEvmScopeSupported: (scope: CaipChainId) => boolean;
    getNonEvmSupportedMethods: (scope: CaipChainId) => string[];
}) => {
    supportedScopes: NormalizedScopesObject;
    supportableScopes: NormalizedScopesObject;
    unsupportableScopes: NormalizedScopesObject;
};
/**
 * Checks if a given CAIP namespace is present in a NormalizedScopesObject.
 *
 * @param scopesObject - The NormalizedScopesObject to check.
 * @param caipNamespace - The CAIP namespace to check for.
 * @returns true if the CAIP namespace is present in the NormalizedScopesObject, false otherwise.
 */
export declare function isNamespaceInScopesObject(scopesObject: NormalizedScopesObject, caipNamespace: CaipNamespace): boolean;
//# sourceMappingURL=authorization.d.ts.map