export declare const LOCALHOST_BRIDGE_OPERATION_CAPABILITY_FIELD = "bridgeOperationCapability";
export interface IssueLocalhostBridgeOperationCapabilityOptions {
    bridgeToken: string;
    audience: string;
    operation: string;
    body: Record<string, unknown>;
    issuedAt?: number;
}
export interface VerifyLocalhostBridgeOperationCapabilityOptions {
    bridgeToken: string;
    audience: string;
    operation: string;
    body: Record<string, unknown>;
    capability: string;
    now?: number;
}
export declare function createLocalhostBridgeAudience(rootPath: string): string;
export declare function issueLocalhostBridgeOperationCapability({ bridgeToken, audience, operation, body, issuedAt, }: IssueLocalhostBridgeOperationCapabilityOptions): {
    capability: string;
    nonce: string;
    expiresAt: number;
};
export declare function verifyLocalhostBridgeOperationCapability({ bridgeToken, audience, operation, body, capability, now, }: VerifyLocalhostBridgeOperationCapabilityOptions): {
    nonce: string;
    expiresAt: number;
} | null;