import { ModelInstanceCreator } from './datastore/datastore';
export declare type Schema = UserSchema & {
    version: string;
};
export declare type UserSchema = {
    models: SchemaModels;
    nonModels?: SchemaNonModels;
    relationships?: RelationshipType;
    enums: SchemaEnums;
    modelTopologicalOrdering?: Map<string, string[]>;
};
export declare type InternalSchema = {
    namespaces: SchemaNamespaces;
    version: string;
};
export declare type SchemaNamespaces = Record<string, SchemaNamespace>;
export declare type SchemaNamespace = UserSchema & {
    name: string;
};
export declare type SchemaModels = Record<string, SchemaModel>;
export declare type SchemaModel = {
    name: string;
    pluralName: string;
    attributes?: ModelAttributes;
    fields: ModelFields;
    syncable?: boolean;
};
export declare function isSchemaModel(obj: any): obj is SchemaModel;
export declare type SchemaNonModels = Record<string, SchemaNonModel>;
export declare type SchemaNonModel = {
    name: string;
    fields: ModelFields;
};
declare type SchemaEnums = Record<string, SchemaEnum>;
declare type SchemaEnum = {
    name: string;
    values: string[];
};
export declare type ModelAssociation = AssociatedWith | TargetNameAssociation;
declare type AssociatedWith = {
    connectionType: 'HAS_MANY' | 'HAS_ONE';
    associatedWith: string;
};
export declare function isAssociatedWith(obj: any): obj is AssociatedWith;
declare type TargetNameAssociation = {
    connectionType: 'BELONGS_TO';
    targetName: string;
};
export declare function isTargetNameAssociation(obj: any): obj is TargetNameAssociation;
declare type ModelAttributes = ModelAttribute[];
declare type ModelAttribute = {
    type: string;
    properties?: Record<string, any>;
};
export declare type ModelFields = Record<string, ModelField>;
export declare enum GraphQLScalarType {
    ID = 0,
    String = 1,
    Int = 2,
    Float = 3,
    Boolean = 4,
    AWSDate = 5,
    AWSTime = 6,
    AWSDateTime = 7,
    AWSTimestamp = 8,
    AWSEmail = 9,
    AWSJSON = 10,
    AWSURL = 11,
    AWSPhone = 12,
    AWSIPAddress = 13
}
export declare namespace GraphQLScalarType {
    function getJSType(scalar: keyof Omit<typeof GraphQLScalarType, 'getJSType'>): 'string' | 'number' | 'boolean';
}
export declare type AuthorizationRule = {
    identityClaim: string;
    ownerField: string;
    provider: 'userPools' | 'oidc' | 'iam' | 'apiKey';
    groupClaim: string;
    groups: [string];
    authStrategy: 'owner' | 'groups' | 'private' | 'public';
    areSubscriptionsPublic: boolean;
};
export declare function isGraphQLScalarType(obj: any): obj is keyof Omit<typeof GraphQLScalarType, 'getJSType'>;
export declare type ModelFieldType = {
    model: string;
};
export declare function isModelFieldType(obj: any): obj is ModelFieldType;
export declare type NonModelFieldType = {
    nonModel: string;
};
export declare function isNonModelFieldType(obj: any): obj is NonModelFieldType;
declare type EnumFieldType = {
    enum: string;
};
export declare function isEnumFieldType(obj: any): obj is EnumFieldType;
declare type ModelField = {
    name: string;
    type: keyof Omit<typeof GraphQLScalarType, 'getJSType'> | ModelFieldType | NonModelFieldType | EnumFieldType;
    isArray: boolean;
    isRequired?: boolean;
    association?: ModelAssociation;
    attributes?: ModelAttributes[];
};
export declare type NonModelTypeConstructor<T> = {
    new (init: T): T;
};
export declare type PersistentModelConstructor<T extends PersistentModel> = {
    new (init: ModelInit<T>): T;
    copyOf(src: T, mutator: (draft: MutableModel<T>) => void): T;
};
export declare type TypeConstructorMap = Record<string, PersistentModelConstructor<any> | NonModelTypeConstructor<any>>;
export declare type PersistentModel = Readonly<{
    id: string;
} & Record<string, any>>;
export declare type ModelInit<T> = Omit<T, 'id'>;
declare type DeepWritable<T> = {
    -readonly [P in keyof T]: T[P] extends TypeName<T[P]> ? T[P] : DeepWritable<T[P]>;
};
export declare type MutableModel<T> = Omit<DeepWritable<T>, 'id'>;
export declare type ModelInstanceMetadata = {
    id: string;
    _version: number;
    _lastChangedAt: number;
    _deleted: boolean;
};
export declare enum OpType {
    INSERT = "INSERT",
    UPDATE = "UPDATE",
    DELETE = "DELETE"
}
export declare type SubscriptionMessage<T extends PersistentModel> = {
    opType: OpType;
    element: T;
    model: PersistentModelConstructor<T>;
    condition: PredicatesGroup<T> | null;
};
export declare type PredicateExpression<M extends PersistentModel, FT> = TypeName<FT> extends keyof MapTypeToOperands<FT> ? (operator: keyof MapTypeToOperands<FT>[TypeName<FT>], operand: MapTypeToOperands<FT>[TypeName<FT>][keyof MapTypeToOperands<FT>[TypeName<FT>]]) => ModelPredicate<M> : never;
declare type EqualityOperators<T> = {
    ne: T;
    eq: T;
};
declare type ScalarNumberOperators<T> = EqualityOperators<T> & {
    le: T;
    lt: T;
    ge: T;
    gt: T;
};
declare type NumberOperators<T> = ScalarNumberOperators<T> & {
    between: [T, T];
};
declare type StringOperators<T> = ScalarNumberOperators<T> & {
    beginsWith: T;
    contains: T;
    notContains: T;
};
declare type BooleanOperators<T> = EqualityOperators<T>;
declare type ArrayOperators<T> = {
    contains: T;
    notContains: T;
};
export declare type AllOperators = NumberOperators<any> & StringOperators<any> & ArrayOperators<any>;
declare type MapTypeToOperands<T> = {
    number: NumberOperators<NonNullable<T>>;
    string: StringOperators<NonNullable<T>>;
    boolean: BooleanOperators<NonNullable<T>>;
    'number[]': ArrayOperators<number>;
    'string[]': ArrayOperators<string>;
    'boolean[]': ArrayOperators<boolean>;
};
declare type TypeName<T> = T extends string ? 'string' : T extends number ? 'number' : T extends boolean ? 'boolean' : T extends string[] ? 'string[]' : T extends number[] ? 'number[]' : T extends boolean[] ? 'boolean[]' : never;
export declare type PredicateGroups<T extends PersistentModel> = {
    and: (predicate: (predicate: ModelPredicate<T>) => ModelPredicate<T>) => ModelPredicate<T>;
    or: (predicate: (predicate: ModelPredicate<T>) => ModelPredicate<T>) => ModelPredicate<T>;
    not: (predicate: (predicate: ModelPredicate<T>) => ModelPredicate<T>) => ModelPredicate<T>;
};
export declare type ModelPredicate<M extends PersistentModel> = {
    [K in keyof M]-?: PredicateExpression<M, NonNullable<M[K]>>;
} & PredicateGroups<M>;
export declare type ProducerModelPredicate<M extends PersistentModel> = (condition: ModelPredicate<M>) => ModelPredicate<M>;
export declare type PredicatesGroup<T extends PersistentModel> = {
    type: keyof PredicateGroups<T>;
    predicates: (PredicateObject<T> | PredicatesGroup<T>)[];
};
export declare function isPredicateObj<T extends PersistentModel>(obj: any): obj is PredicateObject<T>;
export declare function isPredicateGroup<T extends PersistentModel>(obj: any): obj is PredicatesGroup<T>;
export declare type PredicateObject<T extends PersistentModel> = {
    field: keyof T;
    operator: keyof AllOperators;
    operand: any;
};
export declare enum QueryOne {
    FIRST = 0,
    LAST = 1
}
export declare type GraphQLCondition = Partial<{
    [field: string]: {
        [operator: string]: string | number | [number, number];
    };
} | {
    and: [GraphQLCondition];
    or: [GraphQLCondition];
    not: GraphQLCondition;
}>;
export declare type PaginationInput = {
    limit?: number;
    page?: number;
};
export declare type SystemComponent = {
    setUp(schema: InternalSchema, namespaceResolver: NamespaceResolver, modelInstanceCreator: ModelInstanceCreator, getModelConstructorByModelName: (namsespaceName: string, modelName: string) => PersistentModelConstructor<any>): Promise<void>;
};
export declare type NamespaceResolver = (modelConstructor: PersistentModelConstructor<any>) => string;
export declare type ControlMessageType<T> = {
    type: T;
    data?: any;
};
export declare type RelationType = {
    fieldName: string;
    modelName: string;
    relationType: 'HAS_ONE' | 'HAS_MANY' | 'BELONGS_TO';
    targetName?: string;
    associatedWith?: string;
};
export declare type RelationshipType = {
    [modelName: string]: {
        indexes: string[];
        relationTypes: RelationType[];
    };
};
export declare type DataStoreConfig = {
    DataStore?: {
        conflictHandler?: ConflictHandler;
        errorHandler?: (error: SyncError) => void;
        maxRecordsToSync?: number;
        syncPageSize?: number;
        fullSyncInterval?: number;
    };
    conflictHandler?: ConflictHandler;
    errorHandler?: (error: SyncError) => void;
    maxRecordsToSync?: number;
    syncPageSize?: number;
    fullSyncInterval?: number;
};
export declare type SyncConflict = {
    modelConstructor: PersistentModelConstructor<any>;
    localModel: PersistentModel;
    remoteModel: PersistentModel;
    operation: OpType;
    attempts: number;
};
export declare type SyncError = {
    message: string;
    errorType: string;
    errorInfo: string;
    localModel: PersistentModel;
    remoteModel: PersistentModel;
    operation: string;
};
export declare const DISCARD: unique symbol;
export declare type ConflictHandler = (conflict: SyncConflict) => Promise<PersistentModel | typeof DISCARD> | PersistentModel | typeof DISCARD;
export declare type ErrorHandler = (error: SyncError) => void;
export {};