import type { CompositionType } from '../composition';
import type { PhaseData } from '../convex-hull/types';
import type { ElementSymbol } from '../element/types';
import type { PhaseRef, SynthesisConditions } from './types';
export interface PlannerPhase extends PhaseRef {
    fractions: number[];
    e_above_hull_0K: number;
}
export interface PhaseSet {
    elements: ElementSymbol[];
    phases: PlannerPhase[];
    by_id: Map<string, PlannerPhase>;
    warnings: string[];
}
export declare const ENERGY_TOL = 1e-9;
export declare const formula_of: (composition: CompositionType) => string;
export declare function prepare_phase_set(entries: PhaseData[], conditions?: SynthesisConditions): PhaseSet;
export interface HullPoint {
    energy: number;
    decomposition: {
        phase: PlannerPhase;
        atom_fraction: number;
    }[];
}
export declare function hull_at(fractions: number[], phases: PlannerPhase[]): HullPoint | null;
export declare function assign_e_above_hull(phases: PlannerPhase[]): void;
export declare function resolve_phase(phase_set: PhaseSet, query: string): PlannerPhase | null;
export declare const to_phase_ref: (phase: PlannerPhase) => PhaseRef;