/**
 * Host-owned application service for Workflow v3 parameter distillation.
 *
 * The model is only a suggestion provider.  Source authentication, baseline
 * construction, compilation, approval, and library publication all stay in
 * this host process and are revalidated at every mutation boundary.
 */
import { type V3DistillationModelFieldV1 } from './distillation-compiler.js';
import { type V3DistillationCompiledBodyV1 } from './distillation-schema.js';
import { type LoadedV3DistillationProposal, type V3DistillationReplyTargetV1 } from './distillation-store.js';
import { type V3DistillationActorContext } from './distillation-source.js';
export type V3DistillationServiceErrorCode = 'invalid_request' | 'unsafe_display_name' | 'source_changed' | 'proposal_not_ready' | 'approval_denied' | 'commit_conflict';
export declare class V3DistillationServiceError extends Error {
    readonly code: V3DistillationServiceErrorCode;
    constructor(code: V3DistillationServiceErrorCode);
}
export interface PreparedV3WorkflowDistillation {
    proposalId: string;
    sourceRunDir: string;
    fields: V3DistillationModelFieldV1[];
    state: LoadedV3DistillationProposal['state']['state'];
}
export interface ProposedV3WorkflowDistillation {
    proposalId: string;
    proposalHash: string;
    nonce: string;
    displayName: string;
    sourceRunId: string;
    compiled: V3DistillationCompiledBodyV1;
}
export interface CommittedV3WorkflowDistillation {
    workflowId: string;
    revisionId: string;
    contentHash: string;
    displayName: string;
    created: boolean;
}
export type V3DistillationSuggestionProvider = (fields: readonly V3DistillationModelFieldV1[]) => Promise<unknown>;
export declare function v3DistillationProposalNonce(loaded: LoadedV3DistillationProposal): string;
export declare function prepareV3WorkflowDistillation(input: {
    dataDir: string;
    baseDir: string;
    source: 'last' | string;
    displayName: string;
    requestKey: string;
    context: V3DistillationActorContext;
    replyTarget?: V3DistillationReplyTargetV1;
    now?: Date;
}): Promise<PreparedV3WorkflowDistillation>;
export declare function generateV3WorkflowDistillationProposal(input: {
    dataDir: string;
    baseDir: string;
    proposalId: string;
    suggest: V3DistillationSuggestionProvider;
    now?: Date;
}): Promise<ProposedV3WorkflowDistillation>;
export declare function acceptV3WorkflowDistillation(input: {
    dataDir: string;
    baseDir: string;
    proposalId: string;
    proposalHash: string;
    nonce: string;
    operatorOpenId: string;
    larkAppId: string;
    chatId: string;
    now?: Date;
}): Promise<CommittedV3WorkflowDistillation>;
export declare function rejectV3WorkflowDistillation(input: {
    dataDir: string;
    proposalId: string;
    proposalHash: string;
    nonce: string;
    operatorOpenId: string;
    larkAppId: string;
    chatId: string;
    now?: Date;
}): LoadedV3DistillationProposal;
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