/**
 * Copyright (c) 2020-present, Goldman Sachs
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
import type { GenericTypeReference } from '../packageableElements/domain/GenericTypeReference.js';
import type { Multiplicity } from '../packageableElements/domain/Multiplicity.js';
import type { GraphFetchTreeInstanceValue } from './GraphFetchTree.js';
import type { InstanceValue, PrimitiveInstanceValue, EnumValueInstanceValue, CollectionInstanceValue } from './InstanceValue.js';
import type { LambdaFunctionInstanceValue } from './LambdaFunction.js';
import type { FunctionExpression, SimpleFunctionExpression, AbstractPropertyExpression } from './Expression.js';
import type { INTERNAL__UnknownValueSpecification } from './INTERNAL__UnknownValueSpecification.js';
import type { VariableExpression } from './VariableExpression.js';
import type { INTERNAL__PropagatedValue } from './INTERNAL__PropagatedValue.js';
import type { Hashable } from '@finos/legend-shared';
import type { KeyExpressionInstanceValue } from './KeyExpressionInstanceValue.js';
import type { ColSpecArrayInstance, ColSpecInstanceValue } from './RelationValueSpecification.js';
import type { AccessorInstanceValue } from '../packageableElements/relation/Accessor.js';
export interface ValueSpecificationVisitor<T> {
    visit_INTERNAL__UnknownValueSpecification(valueSpecification: INTERNAL__UnknownValueSpecification): T;
    visit_INTERNAL__PropagatedValue(valueSpecification: INTERNAL__PropagatedValue): T;
    visit_FunctionExpression(valueSpecification: FunctionExpression): T;
    visit_SimpleFunctionExpression(valueSpecification: SimpleFunctionExpression): T;
    visit_VariableExpression(valueSpecification: VariableExpression): T;
    visit_AbstractPropertyExpression(valueSpecification: AbstractPropertyExpression): T;
    visit_InstanceValue(valueSpecification: InstanceValue): T;
    visit_ColSpecArrayInstance(valueSpeciciation: ColSpecArrayInstance): T;
    visit_ColSpecInstance(valueSpeciciation: ColSpecInstanceValue): T;
    visit_CollectionInstanceValue(valueSpecification: CollectionInstanceValue): T;
    visit_EnumValueInstanceValue(valueSpecification: EnumValueInstanceValue): T;
    visit_PrimitiveInstanceValue(valueSpecification: PrimitiveInstanceValue): T;
    visit_LambdaFunctionInstanceValue(valueSpecification: LambdaFunctionInstanceValue): T;
    visit_GraphFetchTreeInstanceValue(valueSpecification: GraphFetchTreeInstanceValue): T;
    visit_KeyExpressionInstanceValue(valueSpeciciation: KeyExpressionInstanceValue): T;
    visit_AccessorInstanceValue(valueAccessorInstanceValue: AccessorInstanceValue): T;
}
export declare abstract class ValueSpecification implements Hashable {
    /**
     * NOTE: Currently, we don't do type-inferencing to the generic type
     * here is left as optional
     *
     * @discrepancy model
     */
    genericType?: GenericTypeReference | undefined;
    multiplicity: Multiplicity;
    constructor(multiplicity: Multiplicity, genericTypeReference?: GenericTypeReference);
    abstract get hashCode(): string;
    abstract accept_ValueSpecificationVisitor<T>(visitor: ValueSpecificationVisitor<T>): T;
}
//# sourceMappingURL=ValueSpecification.d.ts.map