import type { MultihashDigest, MultihashHasher, SyncMultihashHasher } from "multiformats";
export interface Digest<Code extends number, Size extends number> extends MultihashDigest<Code> {
    size: Size;
}
export interface Hasher<Code extends number, Size extends number> extends MultihashHasher<Code> {
    size: Size;
    /**
     * Computes the digest of the given input and writes it into the given output
     * at the given offset. Unless `asMultihash` is `false` multihash is
     * written otherwise only the digest (without multihash prefix) is written.
     */
    digestInto(input: Uint8Array, output: Uint8Array, offset?: number, asMultihash?: boolean): void | Promise<void>;
}
export interface SyncHasher<Code extends number, Size extends number> extends SyncMultihashHasher<Code> {
    size: Size;
    digest(input: Uint8Array): Digest<Code, Size>;
    /**
     * Computes the digest of the given input and writes it into the given output
     * at the given offset. Unless `asMultihash` is `false` multihash is
     * written otherwise only the digest (without multihash prefix) is written.
     */
    digestInto(input: Uint8Array, output: Uint8Array, offset?: number, asMultihash?: boolean): void;
}
export interface StreamingHasher<Code extends number, Size extends number> {
    size: Size;
    code: Code;
    name: string;
    /**
     * Number of bytes currently consumed.
     */
    count(): bigint;
    /**
     * Returns multihash digest of the bytes written so far.
     */
    digest(): Digest<Code, Size>;
    /**
     * Computes the digest of the given input and writes it into the given output
     * at the given offset. Unless `asMultihash` is `false` multihash is
     * written otherwise only the digest (without multihash prefix) is written.
     */
    digestInto(output: Uint8Array, offset?: number, asMultihash?: boolean): this;
    /**
     * Writes bytes to be digested.
     */
    write(bytes: Uint8Array): this;
    /**
     * Resets this hasher to its initial state.
     */
    reset(): this;
    /**
     * Disposes this hasher and frees up any resources it may be holding on to.
     * After this is called this hasher should not be used.
     */
    dispose(): void;
}
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