import Joi from 'joi';
declare const schema: Joi.ObjectSchema<any>;
type TimeGranularity = 'hour' | 'day' | 'week' | 'month' | 'year' | 'hourOfTheDay' | 'dayOfTheWeek' | 'monthOfTheYear';
type Comparison = '=' | '>=' | '<=' | '>' | '<' | 'like' | '<>' | 'isNull' | 'isNotNull' | 'isNamedRange' | 'notLike';
type Value = string | number | boolean;
type Field = string | {
    expression: string;
};
interface Constraint {
    left: Field | number;
    comparison: Comparison;
    right?: {
        field: string | number;
    } | {
        value: Value;
    };
}
interface Condition {
    type: 'or' | 'and';
    restrictions: (Constraint | Condition)[];
}
interface Limit {
    limitedTo: number;
    per: {
        columnIndex: number;
    }[];
    sortedBy: {
        columnIndex: number;
        descending: boolean;
    }[];
}
type AggregatedColumn = {
    type: 'count' | 'share';
    condition?: Condition;
    name?: string;
} | {
    type: 'sum' | 'mean' | 'min' | 'max' | 'any';
    condition?: Condition;
    field: Field;
    name?: string;
    dataTypeHint?: undefined | 'string' | 'integer' | 'boolean' | 'number' | 'hashId';
};
type TimeGroupColumn = {
    type: 'timeGroup';
    field: string;
    granularity: TimeGranularity;
    name?: string;
};
type UnaggregatedColumn = {
    type: undefined;
    field: Field;
    name?: string;
    dataTypeHint?: undefined | 'string' | 'integer' | 'boolean' | 'number' | 'hashId';
};
type Column = UnaggregatedColumn | AggregatedColumn | TimeGroupColumn;
declare function isUnaggregatedColumn(column: Column): column is UnaggregatedColumn;
declare function isTimeGroupColumn(column: Column): column is TimeGroupColumn;
interface AnalyticsQuery {
    source: string;
    columns: (Column)[];
    filter?: Condition;
    limitBy?: Limit;
    offset?: string;
    sort: {
        columnIndex: number;
        descending: boolean;
    }[];
    rowsPerPage?: number;
}
export { schema, AnalyticsQuery, Constraint, Condition, Limit, TimeGranularity, Field, AggregatedColumn, UnaggregatedColumn, isUnaggregatedColumn, TimeGroupColumn, isTimeGroupColumn, };