import type { GovernanceServiceCredential } from './capability-grant.js';
import type { GovernanceServiceResponse } from './project-service.js';
import { GOVERNANCE_SERVICE_PROTOCOL_VERSION } from './service-protocol.js';
export declare const GOVERNANCE_IPC_MAX_FRAME_BYTES: number;
export interface GovernanceIpcRequestEnvelope {
    readonly protocolVersion: typeof GOVERNANCE_SERVICE_PROTOCOL_VERSION;
    readonly credential: GovernanceServiceCredential;
    readonly request: unknown;
}
interface GovernanceIpcDecodeIssue {
    readonly path: string;
    readonly message: string;
}
type GovernanceIpcEnvelopeDecodeResult = {
    readonly decoded: true;
    readonly envelope: GovernanceIpcRequestEnvelope;
} | {
    readonly decoded: false;
    readonly issues: readonly GovernanceIpcDecodeIssue[];
};
export declare function decodeGovernanceIpcEnvelope(input: unknown): GovernanceIpcEnvelopeDecodeResult;
export declare function encodeGovernanceIpcFrame(value: unknown): Buffer;
export declare function decodeGovernanceIpcResponse(input: unknown): GovernanceServiceResponse;
export {};
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