import VariableBinding from '../Bindings/VariableBinding';
import { Literal, Variable, NamedNode } from 'rdf-js';
import UnknownValueRange from '../ValueRanges/UnknownValueRange';
import StringValueRange from '../ValueRanges/StringValueRange';
import DateTimeValueRange from '../ValueRanges/DateTimeValueRange';
import NumberValueRange from '../ValueRanges/NumberValueRange';
export declare function evaluateOperation(operator: string, args: VariableBinding[]): any;
export declare function strstarts(left: VariableBinding, right: VariableBinding): VariableBinding[] | null;
/**
 * Bind a valueRange to a variable based on a given term. Both the start and end of the range are identical in this case, as we have a single value
 * @param variable The variable to bind the term to
 * @param term The literal or namednode to bind
 */
export declare function bindVariableToTerm(variable?: Variable | undefined, term?: Literal | NamedNode): VariableBinding;
export declare function getValueRangeForTerm(term: Literal | NamedNode): StringValueRange | NumberValueRange | DateTimeValueRange | UnknownValueRange;
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