type AggregateType = 'count' | 'avg' | 'sum' | 'min' | 'max';
interface AggregateRecord {
    __data?: Record<string, unknown>;
    [key: string]: unknown;
}
export declare class AggregateProperty {
    readonly __kind: "AggregateProperty";
    readonly aggregateType: AggregateType;
    readonly relationship: string | undefined;
    readonly field: string | undefined;
    readonly mysqlFunction: string;
    readonly resultType: 'float' | 'number';
    constructor(aggregateType: AggregateType, relationship?: string, field?: string);
    compute(relatedRecords: AggregateRecord[]): number | null;
}
export declare function count(relationship: string): AggregateProperty;
export declare function avg(relationshipOrField: string, field?: string): AggregateProperty;
export declare function sum(relationshipOrField: string, field?: string): AggregateProperty;
export declare function min(relationshipOrField: string, field?: string): AggregateProperty;
export declare function max(relationshipOrField: string, field?: string): AggregateProperty;
export {};