import type { StudioAuthorizationEvidenceExpectation, StudioAuthorizationVerifier } from '../policy/types.js';
import { type KnowledgeEntry } from './types.js';
export interface PromotionAuthority {
    readonly keyId: string;
    readonly key: Uint8Array;
}
export interface PromotionApprovalRequest {
    readonly eventId: string;
    readonly proposalId: string;
    readonly candidateId: string;
    readonly approvedAt: string;
    readonly reason: string;
    readonly clientIdentifiers?: readonly string[];
}
export interface TrustedPromotionApproval extends PromotionApprovalRequest {
    readonly actorPseudonym: string;
    readonly keyId: string;
    readonly signature: string;
}
export declare function authorizePromotionApproval(request: PromotionApprovalRequest, evidence: unknown, expectation: StudioAuthorizationEvidenceExpectation, verifier: StudioAuthorizationVerifier, inputAuthority: PromotionAuthority): TrustedPromotionApproval;
export declare function promoteLearning(candidate: KnowledgeEntry, approval: TrustedPromotionApproval, inputAuthority?: PromotionAuthority): KnowledgeEntry;