import { QueryExpression } from '@orbit/data';
import { RecordIdentity, InitializedRecord } from './record';
export declare type SortOrder = 'ascending' | 'descending';
export interface BaseSortSpecifier {
    kind: string;
    order: SortOrder;
}
export interface AttributeSortSpecifier extends BaseSortSpecifier {
    kind: 'attribute';
    attribute: string;
}
export declare type SortSpecifier = BaseSortSpecifier | AttributeSortSpecifier;
export declare type ValueComparisonOperator = 'equal' | 'gt' | 'lt' | 'gte' | 'lte';
export declare type SetComparisonOperator = 'equal' | 'all' | 'some' | 'none';
export interface BaseFilterSpecifier {
    kind: string;
    op: ValueComparisonOperator | SetComparisonOperator;
}
export interface AttributeFilterSpecifier extends BaseFilterSpecifier {
    kind: 'attribute';
    op: ValueComparisonOperator;
    attribute: string;
    value: any;
}
export interface RelatedRecordFilterSpecifier extends BaseFilterSpecifier {
    kind: 'relatedRecord';
    op: SetComparisonOperator;
    relation: string;
    record: RecordIdentity | RecordIdentity[] | null;
}
export interface RelatedRecordsFilterSpecifier extends BaseFilterSpecifier {
    kind: 'relatedRecords';
    op: SetComparisonOperator;
    relation: string;
    records: RecordIdentity[];
}
export declare type FilterSpecifier = BaseFilterSpecifier | AttributeFilterSpecifier | RelatedRecordFilterSpecifier | RelatedRecordsFilterSpecifier;
export interface BasePageSpecifier {
    kind: string;
}
export interface OffsetLimitPageSpecifier extends BasePageSpecifier {
    kind: 'offsetLimit';
    offset?: number;
    limit?: number;
}
export declare type PageSpecifier = BasePageSpecifier | OffsetLimitPageSpecifier;
export interface FindRecord extends QueryExpression {
    op: 'findRecord';
    record: RecordIdentity;
}
export interface FindRelatedRecord extends QueryExpression {
    op: 'findRelatedRecord';
    record: RecordIdentity;
    relationship: string;
}
export interface FindRelatedRecords extends QueryExpression {
    op: 'findRelatedRecords';
    record: RecordIdentity;
    relationship: string;
    sort?: SortSpecifier[];
    filter?: FilterSpecifier[];
    page?: PageSpecifier;
}
export interface FindRecords extends QueryExpression {
    op: 'findRecords';
    records?: RecordIdentity[];
    type?: string;
    sort?: SortSpecifier[];
    filter?: FilterSpecifier[];
    page?: PageSpecifier;
}
export declare type RecordQueryExpression = FindRecord | FindRelatedRecord | FindRelatedRecords | FindRecords;
export declare type FindRecordResult = InitializedRecord | undefined;
export declare type FindRelatedRecordResult = InitializedRecord | null | undefined;
export declare type FindRelatedRecordsResult = InitializedRecord[] | undefined;
export declare type FindRecordsResult = InitializedRecord[];
export declare type RecordQueryExpressionResult<T = InitializedRecord> = T | T[] | null | undefined;