import { OperatorFunction, UnaryFunction } from 'rxjs';
/**
 * Binds the provided unary function to an emitted value as its only argument.
 * Emits a parameter less function.
 *
 * @param func a function to bind the emitted value to
 * @typeParam I type of the source observable
 * @typeParam O return type of the provided function
 * @category Operator
 */
export declare function bind<I, O>(func: UnaryFunction<I, O>): OperatorFunction<I, () => O>;
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