export declare class ProjectCostingSummaryDto {
    total_cost: number;
}
export declare class CostTrendDataDto {
    period: string;
    total_cost: number;
    start_date: string;
    end_date: string;
}
export declare class ProjectCostDataDto {
    project_name: string;
    total_cost: number;
    project_id: number;
}
export declare class ProjectCostingResponseDto {
    summary: ProjectCostingSummaryDto;
    cost_trend: CostTrendDataDto[];
    cost_by_project: ProjectCostDataDto[];
}