import { PendingExecution, ExpressionRuntime } from './types';
import { Expr } from '../ast';
export declare class ValueExecution implements PendingExecution {
    private node;
    private runtime;
    private identifiers;
    private context;
    private resultCache;
    constructor(runtime: ExpressionRuntime, node: Expr);
    private extractGlobalVars;
    private dfs;
    private addIfNotBuiltin;
    private isIdentifier;
    provide(symbol: string, value: any): PendingExecution;
    canExecute(): boolean;
    execute(): boolean;
}
export declare class AndExecution implements PendingExecution {
    private left;
    private right;
    private resultCache;
    constructor(left: PendingExecution, right: PendingExecution);
    provide(symbol: string, value: any): PendingExecution;
    canExecute(): boolean;
    execute(): boolean;
}
export declare class OrExecution implements PendingExecution {
    private left;
    private right;
    private resultCache;
    constructor(left: PendingExecution, right: PendingExecution);
    provide(symbol: string, value: any): PendingExecution;
    canExecute(): boolean;
    execute(): boolean;
}
export declare class NotExecution implements PendingExecution {
    private child;
    private resultCache;
    constructor(child: PendingExecution);
    provide(symbol: string, value: any): PendingExecution;
    canExecute(): boolean;
    execute(): boolean;
}
export declare class ConditionalExecution implements PendingExecution {
    private condition;
    private thenExpr;
    private elseExpr;
    private resultCache;
    constructor(condition: PendingExecution, thenExpr: PendingExecution, elseExpr: PendingExecution);
    provide(symbol: string, value: any): PendingExecution;
    canExecute(): boolean;
    execute(): boolean;
}
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