import SimpleMemoization from "./simple_memoization.js";
export declare enum CsgOperationType {
    UNION = 0,
    INTERSECTION = 1,
    DIFFERENCE = 2,
    NEGATION = 3
}
/**
 * Base for CSG operations
 */
export interface CsgOperationBase {
    readonly type: CsgOperationType;
    readonly operand1ID: number;
    readonly operand2ID?: number;
}
/**
 * CSG union operation
 */
export interface CsgUnion extends CsgOperationBase {
    readonly type: CsgOperationType.UNION;
    readonly operand1ID: number;
    readonly operand2ID: number;
}
/**
 * CSG intersection operation
 */
export interface CsgIntersection extends CsgOperationBase {
    readonly type: CsgOperationType.INTERSECTION;
    readonly operand1ID: number;
    readonly operand2ID: number;
}
/**
 * CSG difference operation
 */
export interface CsgDifference extends CsgOperationBase {
    readonly type: CsgOperationType.DIFFERENCE;
    readonly operand1ID: number;
    readonly operand2ID: number;
}
/**
 * CSG negation opeeration
 */
export interface CsgNegation extends CsgOperationBase {
    readonly type: CsgOperationType.NEGATION;
    readonly operand1ID: number;
    readonly operand2ID: undefined;
}
/** Valid CSG operations */
export type CsgOperations = CsgUnion | CsgDifference | CsgIntersection | CsgNegation;
/**
 * CSG Memoization
 */
export declare class CsgMemoization extends SimpleMemoization<CsgOperations> {
    /**
     * Updates simple memoization
     */
    constructor();
}
//# sourceMappingURL=csg_operations.d.ts.map