export type SpdxLicense = CompoundExpression | InvalidText;
export type CompoundExpression = SimpleExpression | WithExpression | CombinationExpression;
export interface SimpleExpression {
    readonly licenseId: string;
    readonly plus: boolean;
}
export interface WithExpression extends SimpleExpression {
    readonly exceptionId: string;
}
export interface CombinationExpression {
    readonly left: SpdxLicense;
    readonly operator: CombinationOperator;
    readonly right: SpdxLicense;
}
export type CombinationOperator = "AND" | "OR";
export declare const combinationOperatorPrecedence: readonly CombinationOperator[];
export interface InvalidText {
    readonly invalidText: string;
}