import type { BudgetProjection, ProjectionOptions } from '../types/budget-projection.js';
import type { WorkflowSizingLabel } from '../types/index.js';
export declare const SIZING_DEFAULTS: Record<Exclude<WorkflowSizingLabel, 'xxl'>, number>;
export declare const HUMAN_DAYS_BY_SIZE: Record<Exclude<WorkflowSizingLabel, 'xxl'>, number>;
/** True when a size must be split before it can be estimated/budgeted (GH-496). */
export declare function isSplitGateSize(size?: WorkflowSizingLabel): boolean;
/** Human-equivalent effort days for a size, or null for the xxl split gate. */
export declare function humanDaysForSize(size: WorkflowSizingLabel): number | null;
export declare function projectBudget(cwd: string, options: ProjectionOptions): BudgetProjection;