import type Model from '../../balena-model.js';
type ValidContractResources = 'device_type' | 'cpu_architecture' | 'device_family' | 'device_manufacturer';
export interface RepositoryInfo {
    owner: string;
    name: string;
    branch?: string;
    token?: string;
}
export interface ContractAsset {
    url: string;
    name?: string;
}
export interface Contract {
    slug: string;
    version: number;
    type: string;
    aliases?: string[];
    name: string;
    assets?: Dictionary<ContractAsset>;
    data: any;
}
export declare const getContractRepos: () => RepositoryInfo[];
type FieldsMap = {
    [dbField: string]: {
        contractField: string;
        default?: any;
        refersTo?: {
            resource: ValidContractResources;
            uniqueKey: keyof Model[ValidContractResources]['Read'];
        };
        isReferencedBy?: {
            resource: 'device_type_alias';
            naturalKeyPart: keyof Model['device_type_alias']['Write'];
        };
    };
};
export type SyncSetting = {
    resource: ValidContractResources;
    uniqueKey: keyof Model[ValidContractResources]['Read'];
    includeRawContract?: boolean;
    map: FieldsMap;
};
type SyncSettings = {
    [contractType: string]: SyncSetting;
};
export declare function setSyncSettings(syncSettings: SyncSettings): void;
export declare const synchronizeContracts: (contractRepos: RepositoryInfo[]) => Promise<void>;
export declare const startContractSynchronization: () => void;
export {};