import { Policy } from '@cloud-copilot/iam-policy';
/**
 * Find all the context keys in a list of policies
 *
 * @param policies - The list of policies to search
 * @returns The list of valid and invalid context keys found in the policies
 */
export declare function findContextKeys(policies: Policy[]): Promise<{
    validKeys: string[];
    invalidKeys: string[];
}>;
/**
 * Get the context variables used in a policy
 *
 * @param policy - The policy to extract variables from
 * @returns The list of variables used in the policy
 */
export declare function getContextKeysFromPolicy(policy: Policy): string[];
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