import { ICodeableConcept, ICoding, IOperationOutcome, IQuantity, IRange, IReference, IUsageContext } from 'fhirtypes/dist/r4';
import { ISerializable, IValidatable } from '../base';
export declare class UsageContext implements IUsageContext, ISerializable, IValidatable {
    code: ICoding;
    valueCodeableConcept?: ICodeableConcept;
    valueQuantity?: IQuantity;
    valueRange?: IRange;
    valueReference?: IReference;
    serialize(): string;
    toJson(): Record<string, unknown>;
    toPrettyString(): string;
    validate(): {
        isValid: boolean;
        operationOutcome: IOperationOutcome;
    };
}