export interface VerifiedPromotionSource {
    id: string;
    kind: "github";
    repository: string;
    ref: string;
    pinnedSha: string;
}
export interface VerifiedPromotionFile {
    sourceRel: string;
    targetRel: string;
    contents: Buffer;
    sha256: string;
}
export type VerifiedPromotionTrustLockPreimage = {
    state: "absent";
} | {
    state: "present";
    sourceBytes: Buffer;
    sourceSha256: string;
    mode?: number;
};
export interface VerifiedPromotionAuthorityPreimage {
    sourceBytes: Buffer;
    sourceSha256: string;
    mode?: number;
}
export interface VerifiedPromotionSnapshot {
    source: VerifiedPromotionSource;
    selectedSkills: string[];
    files: VerifiedPromotionFile[];
    artifactHashes: Array<{
        path: string;
        sha256: string;
    }>;
    nextTrustLockBytes: Buffer;
    trustLockPreimage: VerifiedPromotionTrustLockPreimage;
    approvalLockPreimage: VerifiedPromotionAuthorityPreimage;
}
declare const verifiedPromotionHandleBrand: unique symbol;
export interface VerifiedPromotionHandle {
    readonly [verifiedPromotionHandleBrand]: never;
}
export interface VerifiedPromotionChannel {
    issue(snapshot: unknown): VerifiedPromotionHandle;
    read(candidate: unknown): VerifiedPromotionSnapshot | undefined;
}
export declare function createVerifiedPromotionChannel(): VerifiedPromotionChannel;
export {};