Type Alias: Constraint

type Constraint = 
  | {
  a: string;
  angle: number;
  b: string;
  kind: "aspect";
  weight?: number;
}
  | {
  body: string;
  kind: "sign";
  sign: number;
  weight?: number;
}
  | {
  body: string;
  degree: number;
  kind: "degree";
  weight?: number;
}
  | {
  body: string;
  degree: number;
  kind: "declination";
  weight?: number;
}
  | {
  a: string;
  b: string;
  contra?: boolean;
  kind: "parallel";
  weight?: number;
}
  | {
  a: string;
  angle: number;
  b: string;
  kind: "separation3d";
  weight?: number;
};